71320691519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21540529}}^1$

素因数の和:21540590

約数の個数: 16

約数和(自身を含む): 90987198720

約数和(自身を除く): 19666507201

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 21540529, 150783703, 236945819, 926242747, 1658620733, 6483699229, 10188670217, 71320691519]

約数ペア:

[(1, 71320691519), (7, 10188670217), (11, 6483699229), (43, 1658620733), (77, 926242747), (301, 236945819), (473, 150783703), (3311, 21540529)]