987178

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 16

約数和(自身を含む): 1542240

約数和(自身を除く): 555062

約数列:

[1, 2, 53, 67, 106, 134, 139, 278, 3551, 7102, 7367, 9313, 14734, 18626, 493589, 987178]

約数ペア:

[(1, 987178), (2, 493589), (53, 18626), (67, 14734), (106, 9313), (134, 7367), (139, 7102), (278, 3551)]