1649348428

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 3963904000

約数和(自身を除く): 2314555572

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 49, 52, 62, 76, 91, 98, 124, 133, 157, 182, 196, 217, 247, 266, 314, 343, 364, 403, 434, 494, 532, 589, 628, 637, 686, 806, 868, 931, 988, 1099, 1178, 1274, 1372, 1519, 1612, 1729, 1862, 2041, 2198, 2356, 2548, 2821, 2983, 3038, 3458, 3724, 4082, 4123, 4396, 4459, 4867, 5642, 5966, 6076, 6517, 6916, 7657, 7693, 8164, 8246, 8918, 9734, 10633, 11284, 11932, 12103, 13034, 14287, 15314, 15386, 16492, 17836, 19468, 19747, 20881, 21266, 24206, 26068, 28574, 28861, 30628, 30772, 34069, 38779, 39494, 41762, 42532, 48412, 53599, 53851, 57148, 57722, 63271, 68138, 77558, 78988, 83524, 84721, 92473, 100009, 107198, 107702, 115444, 126542, 136276, 138229, 146167, 155116, 169442, 184946, 200018, 202027, 214396, 215404, 238483, 253084, 271453, 276458, 292334, 338884, 369892, 375193, 400036, 404054, 442897, 476966, 542906, 552916, 584668, 647311, 700063, 750386, 808108, 885794, 953932, 1023169, 1085812, 1202149, 1294622, 1400126, 1500772, 1669381, 1771588, 1900171, 2046338, 2404298, 2589244, 2626351, 2800252, 3100279, 3338762, 3800342, 4092676, 4531177, 4808596, 5252702, 6200558, 6677524, 7600684, 8415043, 9062354, 10505404, 12401116, 13301197, 16830086, 18124708, 21701953, 26602394, 31718239, 33660172, 43403906, 53204788, 58905301, 63436478, 86807812, 117810602, 126872956, 235621204, 412337107, 824674214, 1649348428]

約数ペア:

[(1, 1649348428), (2, 824674214), (4, 412337107), (7, 235621204), (13, 126872956), (14, 117810602), (19, 86807812), (26, 63436478), (28, 58905301), (31, 53204788), (38, 43403906), (49, 33660172), (52, 31718239), (62, 26602394), (76, 21701953), (91, 18124708), (98, 16830086), (124, 13301197), (133, 12401116), (157, 10505404), (182, 9062354), (196, 8415043), (217, 7600684), (247, 6677524), (266, 6200558), (314, 5252702), (343, 4808596), (364, 4531177), (403, 4092676), (434, 3800342), (494, 3338762), (532, 3100279), (589, 2800252), (628, 2626351), (637, 2589244), (686, 2404298), (806, 2046338), (868, 1900171), (931, 1771588), (988, 1669381), (1099, 1500772), (1178, 1400126), (1274, 1294622), (1372, 1202149), (1519, 1085812), (1612, 1023169), (1729, 953932), (1862, 885794), (2041, 808108), (2198, 750386), (2356, 700063), (2548, 647311), (2821, 584668), (2983, 552916), (3038, 542906), (3458, 476966), (3724, 442897), (4082, 404054), (4123, 400036), (4396, 375193), (4459, 369892), (4867, 338884), (5642, 292334), (5966, 276458), (6076, 271453), (6517, 253084), (6916, 238483), (7657, 215404), (7693, 214396), (8164, 202027), (8246, 200018), (8918, 184946), (9734, 169442), (10633, 155116), (11284, 146167), (11932, 138229), (12103, 136276), (13034, 126542), (14287, 115444), (15314, 107702), (15386, 107198), (16492, 100009), (17836, 92473), (19468, 84721), (19747, 83524), (20881, 78988), (21266, 77558), (24206, 68138), (26068, 63271), (28574, 57722), (28861, 57148), (30628, 53851), (30772, 53599), (34069, 48412), (38779, 42532), (39494, 41762)]