68719352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 148176000

約数和(自身を除く): 79456648

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 83, 104, 152, 166, 247, 332, 419, 494, 664, 838, 988, 1079, 1577, 1676, 1976, 2158, 3154, 3352, 4316, 5447, 6308, 7961, 8632, 10894, 12616, 15922, 20501, 21788, 31844, 34777, 41002, 43576, 63688, 69554, 82004, 103493, 139108, 164008, 206986, 278216, 413972, 452101, 660763, 827944, 904202, 1321526, 1808404, 2643052, 3616808, 5286104, 8589919, 17179838, 34359676, 68719352]

約数ペア:

[(1, 68719352), (2, 34359676), (4, 17179838), (8, 8589919), (13, 5286104), (19, 3616808), (26, 2643052), (38, 1808404), (52, 1321526), (76, 904202), (83, 827944), (104, 660763), (152, 452101), (166, 413972), (247, 278216), (332, 206986), (419, 164008), (494, 139108), (664, 103493), (838, 82004), (988, 69554), (1079, 63688), (1577, 43576), (1676, 41002), (1976, 34777), (2158, 31844), (3154, 21788), (3352, 20501), (4316, 15922), (5447, 12616), (6308, 10894), (7961, 8632)]