251592528

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 160

約数和(自身を含む): 771379200

約数和(自身を除く): 519786672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 31, 33, 38, 44, 48, 57, 62, 66, 76, 88, 93, 114, 124, 132, 152, 176, 186, 209, 228, 248, 264, 304, 341, 372, 418, 456, 496, 528, 589, 627, 682, 744, 809, 836, 912, 1023, 1178, 1254, 1364, 1488, 1618, 1672, 1767, 2046, 2356, 2427, 2508, 2728, 3236, 3344, 3534, 4092, 4712, 4854, 5016, 5456, 6472, 6479, 7068, 8184, 8899, 9424, 9708, 10032, 12944, 12958, 14136, 15371, 16368, 17798, 19416, 19437, 25079, 25916, 26697, 28272, 30742, 35596, 38832, 38874, 46113, 50158, 51832, 53394, 61484, 71192, 75237, 77748, 92226, 100316, 103664, 106788, 122968, 142384, 150474, 155496, 169081, 184452, 200632, 213576, 245936, 275869, 300948, 310992, 338162, 368904, 401264, 427152, 476501, 507243, 551738, 601896, 676324, 737808, 827607, 953002, 1014486, 1103476, 1203792, 1352648, 1429503, 1655214, 1906004, 2028972, 2206952, 2705296, 2859006, 3310428, 3812008, 4057944, 4413904, 5241511, 5718012, 6620856, 7624016, 8115888, 10483022, 11436024, 13241712, 15724533, 20966044, 22872048, 31449066, 41932088, 62898132, 83864176, 125796264, 251592528]

約数ペア:

[(1, 251592528), (2, 125796264), (3, 83864176), (4, 62898132), (6, 41932088), (8, 31449066), (11, 22872048), (12, 20966044), (16, 15724533), (19, 13241712), (22, 11436024), (24, 10483022), (31, 8115888), (33, 7624016), (38, 6620856), (44, 5718012), (48, 5241511), (57, 4413904), (62, 4057944), (66, 3812008), (76, 3310428), (88, 2859006), (93, 2705296), (114, 2206952), (124, 2028972), (132, 1906004), (152, 1655214), (176, 1429503), (186, 1352648), (209, 1203792), (228, 1103476), (248, 1014486), (264, 953002), (304, 827607), (341, 737808), (372, 676324), (418, 601896), (456, 551738), (496, 507243), (528, 476501), (589, 427152), (627, 401264), (682, 368904), (744, 338162), (809, 310992), (836, 300948), (912, 275869), (1023, 245936), (1178, 213576), (1254, 200632), (1364, 184452), (1488, 169081), (1618, 155496), (1672, 150474), (1767, 142384), (2046, 122968), (2356, 106788), (2427, 103664), (2508, 100316), (2728, 92226), (3236, 77748), (3344, 75237), (3534, 71192), (4092, 61484), (4712, 53394), (4854, 51832), (5016, 50158), (5456, 46113), (6472, 38874), (6479, 38832), (7068, 35596), (8184, 30742), (8899, 28272), (9424, 26697), (9708, 25916), (10032, 25079), (12944, 19437), (12958, 19416), (14136, 17798), (15371, 16368)]