2690191

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 3283200

約数和(自身を除く): 593009

約数列:

[1, 7, 19, 113, 133, 179, 791, 1253, 2147, 3401, 15029, 20227, 23807, 141589, 384313, 2690191]

約数ペア:

[(1, 2690191), (7, 384313), (19, 141589), (113, 23807), (133, 20227), (179, 15029), (791, 3401), (1253, 2147)]