15691563139

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1\times {\mathrm{983}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 18533458944

約数和(自身を除く): 2841895805

約数列:

[1, 7, 43, 181, 293, 301, 983, 1267, 2051, 6881, 7783, 12599, 42269, 53033, 54481, 88193, 177923, 288019, 295883, 371231, 1245461, 2016133, 2280419, 7650689, 12384817, 15962933, 52131439, 53554823, 86693719, 364920073, 2241651877, 15691563139]

約数ペア:

[(1, 15691563139), (7, 2241651877), (43, 364920073), (181, 86693719), (293, 53554823), (301, 52131439), (983, 15962933), (1267, 12384817), (2051, 7650689), (6881, 2280419), (7783, 2016133), (12599, 1245461), (42269, 371231), (53033, 295883), (54481, 288019), (88193, 177923)]