81218207

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{1223}}^1$

素因数の和:1462

約数の個数: 16

約数和(自身を含む): 95178240

約数和(自身を除く): 13960033

約数列:

[1, 7, 53, 179, 371, 1223, 1253, 8561, 9487, 64819, 66409, 218917, 453733, 1532419, 11602601, 81218207]

約数ペア:

[(1, 81218207), (7, 11602601), (53, 1532419), (179, 453733), (371, 218917), (1223, 66409), (1253, 64819), (8561, 9487)]