642647432

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 1402368000

約数和(自身を除く): 759720568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 127, 218, 254, 436, 508, 763, 829, 872, 889, 1016, 1526, 1658, 1778, 3052, 3316, 3556, 5803, 6104, 6632, 7112, 11606, 13843, 23212, 27686, 46424, 55372, 90361, 96901, 105283, 110744, 180722, 193802, 210566, 361444, 387604, 421132, 632527, 722888, 736981, 775208, 842264, 1265054, 1473962, 2530108, 2947924, 5060216, 5895848, 11475847, 22951694, 45903388, 80330929, 91806776, 160661858, 321323716, 642647432]

約数ペア:

[(1, 642647432), (2, 321323716), (4, 160661858), (7, 91806776), (8, 80330929), (14, 45903388), (28, 22951694), (56, 11475847), (109, 5895848), (127, 5060216), (218, 2947924), (254, 2530108), (436, 1473962), (508, 1265054), (763, 842264), (829, 775208), (872, 736981), (889, 722888), (1016, 632527), (1526, 421132), (1658, 387604), (1778, 361444), (3052, 210566), (3316, 193802), (3556, 180722), (5803, 110744), (6104, 105283), (6632, 96901), (7112, 90361), (11606, 55372), (13843, 46424), (23212, 27686)]