289727984

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 160

約数和(自身を含む): 733286400

約数和(自身を除く): 443558416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 131, 182, 196, 208, 217, 248, 262, 343, 364, 392, 403, 434, 496, 524, 637, 686, 728, 784, 806, 868, 917, 1048, 1274, 1372, 1456, 1519, 1612, 1703, 1736, 1834, 2096, 2548, 2744, 2821, 3038, 3224, 3406, 3472, 3668, 4061, 4459, 5096, 5488, 5642, 6076, 6419, 6448, 6812, 7336, 8122, 8918, 10192, 10633, 11284, 11921, 12152, 12838, 13624, 14672, 16244, 17836, 19747, 21266, 22568, 23842, 24304, 25676, 27248, 28427, 32488, 35672, 39494, 42532, 44933, 45136, 47684, 51352, 52793, 56854, 64976, 71344, 78988, 83447, 85064, 89866, 95368, 102704, 105586, 113708, 138229, 157976, 166894, 170128, 179732, 190736, 198989, 211172, 227416, 276458, 315952, 333788, 359464, 369551, 397978, 422344, 454832, 552916, 584129, 667576, 718928, 739102, 795956, 844688, 1105832, 1168258, 1335152, 1392923, 1478204, 1591912, 2211664, 2336516, 2586857, 2785846, 2956408, 3183824, 4673032, 5173714, 5571692, 5912816, 9346064, 10347428, 11143384, 18107999, 20694856, 22286768, 36215998, 41389712, 72431996, 144863992, 289727984]

約数ペア:

[(1, 289727984), (2, 144863992), (4, 72431996), (7, 41389712), (8, 36215998), (13, 22286768), (14, 20694856), (16, 18107999), (26, 11143384), (28, 10347428), (31, 9346064), (49, 5912816), (52, 5571692), (56, 5173714), (62, 4673032), (91, 3183824), (98, 2956408), (104, 2785846), (112, 2586857), (124, 2336516), (131, 2211664), (182, 1591912), (196, 1478204), (208, 1392923), (217, 1335152), (248, 1168258), (262, 1105832), (343, 844688), (364, 795956), (392, 739102), (403, 718928), (434, 667576), (496, 584129), (524, 552916), (637, 454832), (686, 422344), (728, 397978), (784, 369551), (806, 359464), (868, 333788), (917, 315952), (1048, 276458), (1274, 227416), (1372, 211172), (1456, 198989), (1519, 190736), (1612, 179732), (1703, 170128), (1736, 166894), (1834, 157976), (2096, 138229), (2548, 113708), (2744, 105586), (2821, 102704), (3038, 95368), (3224, 89866), (3406, 85064), (3472, 83447), (3668, 78988), (4061, 71344), (4459, 64976), (5096, 56854), (5488, 52793), (5642, 51352), (6076, 47684), (6419, 45136), (6448, 44933), (6812, 42532), (7336, 39494), (8122, 35672), (8918, 32488), (10192, 28427), (10633, 27248), (11284, 25676), (11921, 24304), (12152, 23842), (12838, 22568), (13624, 21266), (14672, 19747), (16244, 17836)]