117979421

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1171}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 138952320

約数和(自身を除く): 20972899

約数列:

[1, 7, 37, 259, 389, 1171, 2723, 8197, 14393, 43327, 100751, 303289, 455519, 3188633, 16854203, 117979421]

約数ペア:

[(1, 117979421), (7, 16854203), (37, 3188633), (259, 455519), (389, 303289), (1171, 100751), (2723, 43327), (8197, 14393)]