81756122

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{253901}}^1$

素因数の和:253933

約数の個数: 16

約数和(自身を含む): 146247552

約数和(自身を除く): 64491430

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 253901, 507802, 1777307, 3554614, 5839723, 11679446, 40878061, 81756122]

約数ペア:

[(1, 81756122), (2, 40878061), (7, 11679446), (14, 5839723), (23, 3554614), (46, 1777307), (161, 507802), (322, 253901)]