81155914

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{252037}}^1$

素因数の和:252069

約数の個数: 16

約数和(自身を含む): 145173888

約数和(自身を除く): 64017974

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 252037, 504074, 1764259, 3528518, 5796851, 11593702, 40577957, 81155914]

約数ペア:

[(1, 81155914), (2, 40577957), (7, 11593702), (14, 5796851), (23, 3528518), (46, 1764259), (161, 504074), (322, 252037)]