17778896947

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1879}}^1\times {\mathrm{22159}}^1$

素因数の和:24106

約数の個数: 16

約数和(自身を含む): 20663756800

約数和(自身を除く): 2884859853

約数列:

[1, 7, 61, 427, 1879, 13153, 22159, 114619, 155113, 802333, 1351699, 9461893, 41636761, 291457327, 2539842421, 17778896947]

約数ペア:

[(1, 17778896947), (7, 2539842421), (61, 291457327), (427, 41636761), (1879, 9461893), (13153, 1351699), (22159, 802333), (114619, 155113)]