647159968

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 1658216448

約数和(自身を除く): 1011056480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 67, 91, 104, 107, 112, 124, 134, 182, 208, 214, 217, 224, 248, 268, 364, 403, 416, 428, 434, 469, 496, 536, 728, 749, 806, 856, 868, 871, 938, 992, 1072, 1391, 1456, 1498, 1612, 1712, 1736, 1742, 1876, 2077, 2144, 2782, 2821, 2912, 2996, 3224, 3317, 3424, 3472, 3484, 3752, 4154, 5564, 5642, 5992, 6097, 6448, 6634, 6944, 6968, 7169, 7504, 8308, 9737, 11128, 11284, 11984, 12194, 12896, 13268, 13936, 14338, 14539, 15008, 16616, 19474, 22256, 22568, 23219, 23968, 24388, 26536, 27001, 27872, 28676, 29078, 33232, 38948, 43121, 44512, 45136, 46438, 48776, 50183, 53072, 54002, 57352, 58156, 66464, 77896, 86242, 90272, 92876, 93197, 97552, 100366, 106144, 108004, 114704, 116312, 155792, 172484, 185752, 186394, 189007, 195104, 200732, 216008, 222239, 229408, 232624, 301847, 311584, 344968, 371504, 372788, 378014, 401464, 432016, 444478, 465248, 603694, 652379, 689936, 743008, 745576, 756028, 802928, 864032, 888956, 1207388, 1304758, 1379872, 1491152, 1512056, 1555673, 1605856, 1777912, 2414776, 2609516, 2889107, 2982304, 3024112, 3111346, 3555824, 4829552, 5219032, 5778214, 6048224, 6222692, 7111648, 9659104, 10438064, 11556428, 12445384, 20223749, 20876128, 23112856, 24890768, 40447498, 46225712, 49781536, 80894996, 92451424, 161789992, 323579984, 647159968]

約数ペア:

[(1, 647159968), (2, 323579984), (4, 161789992), (7, 92451424), (8, 80894996), (13, 49781536), (14, 46225712), (16, 40447498), (26, 24890768), (28, 23112856), (31, 20876128), (32, 20223749), (52, 12445384), (56, 11556428), (62, 10438064), (67, 9659104), (91, 7111648), (104, 6222692), (107, 6048224), (112, 5778214), (124, 5219032), (134, 4829552), (182, 3555824), (208, 3111346), (214, 3024112), (217, 2982304), (224, 2889107), (248, 2609516), (268, 2414776), (364, 1777912), (403, 1605856), (416, 1555673), (428, 1512056), (434, 1491152), (469, 1379872), (496, 1304758), (536, 1207388), (728, 888956), (749, 864032), (806, 802928), (856, 756028), (868, 745576), (871, 743008), (938, 689936), (992, 652379), (1072, 603694), (1391, 465248), (1456, 444478), (1498, 432016), (1612, 401464), (1712, 378014), (1736, 372788), (1742, 371504), (1876, 344968), (2077, 311584), (2144, 301847), (2782, 232624), (2821, 229408), (2912, 222239), (2996, 216008), (3224, 200732), (3317, 195104), (3424, 189007), (3472, 186394), (3484, 185752), (3752, 172484), (4154, 155792), (5564, 116312), (5642, 114704), (5992, 108004), (6097, 106144), (6448, 100366), (6634, 97552), (6944, 93197), (6968, 92876), (7169, 90272), (7504, 86242), (8308, 77896), (9737, 66464), (11128, 58156), (11284, 57352), (11984, 54002), (12194, 53072), (12896, 50183), (13268, 48776), (13936, 46438), (14338, 45136), (14539, 44512), (15008, 43121), (16616, 38948), (19474, 33232), (22256, 29078), (22568, 28676), (23219, 27872), (23968, 27001), (24388, 26536)]