686929744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2084

約数の個数: 80

約数和(自身を含む): 1490904576

約数和(自身を除く): 803974832

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 41, 62, 68, 82, 124, 136, 164, 248, 272, 328, 496, 527, 656, 697, 1054, 1271, 1394, 1987, 2108, 2542, 2788, 3974, 4216, 5084, 5576, 7948, 8432, 10168, 11152, 15896, 20336, 21607, 31792, 33779, 43214, 61597, 67558, 81467, 86428, 123194, 135116, 162934, 172856, 246388, 270232, 325868, 345712, 492776, 540464, 651736, 985552, 1047149, 1303472, 1384939, 2094298, 2525477, 2769878, 4188596, 5050954, 5539756, 8377192, 10101908, 11079512, 16754384, 20203816, 22159024, 40407632, 42933109, 85866218, 171732436, 343464872, 686929744]

約数ペア:

[(1, 686929744), (2, 343464872), (4, 171732436), (8, 85866218), (16, 42933109), (17, 40407632), (31, 22159024), (34, 20203816), (41, 16754384), (62, 11079512), (68, 10101908), (82, 8377192), (124, 5539756), (136, 5050954), (164, 4188596), (248, 2769878), (272, 2525477), (328, 2094298), (496, 1384939), (527, 1303472), (656, 1047149), (697, 985552), (1054, 651736), (1271, 540464), (1394, 492776), (1987, 345712), (2108, 325868), (2542, 270232), (2788, 246388), (3974, 172856), (4216, 162934), (5084, 135116), (5576, 123194), (7948, 86428), (8432, 81467), (10168, 67558), (11152, 61597), (15896, 43214), (20336, 33779), (21607, 31792)]