81426348

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2363

約数の個数: 72

約数和(自身を含む): 219867648

約数和(自身を除く): 138441300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 774, 828, 989, 1548, 1978, 2287, 2967, 3956, 4574, 5934, 6861, 8901, 9148, 11868, 13722, 17802, 20583, 27444, 35604, 41166, 52601, 82332, 98341, 105202, 157803, 196682, 210404, 295023, 315606, 393364, 473409, 590046, 631212, 885069, 946818, 1180092, 1770138, 1893636, 2261843, 3540276, 4523686, 6785529, 9047372, 13571058, 20356587, 27142116, 40713174, 81426348]

約数ペア:

[(1, 81426348), (2, 40713174), (3, 27142116), (4, 20356587), (6, 13571058), (9, 9047372), (12, 6785529), (18, 4523686), (23, 3540276), (36, 2261843), (43, 1893636), (46, 1770138), (69, 1180092), (86, 946818), (92, 885069), (129, 631212), (138, 590046), (172, 473409), (207, 393364), (258, 315606), (276, 295023), (387, 210404), (414, 196682), (516, 157803), (774, 105202), (828, 98341), (989, 82332), (1548, 52601), (1978, 41166), (2287, 35604), (2967, 27444), (3956, 20583), (4574, 17802), (5934, 13722), (6861, 11868), (8901, 9148)]