156640709255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{74897}}^1$

素因数の和:75167

約数の個数: 32

約数和(自身を含む): 197414350848

約数和(自身を除く): 40773641593

約数列:

[1, 5, 31, 103, 131, 155, 515, 655, 3193, 4061, 13493, 15965, 20305, 67465, 74897, 374485, 418283, 2091415, 2321807, 7714391, 9811507, 11609035, 38571955, 49057535, 239146121, 304156717, 1010585221, 1195730605, 1520783585, 5052926105, 31328141851, 156640709255]

約数ペア:

[(1, 156640709255), (5, 31328141851), (31, 5052926105), (103, 1520783585), (131, 1195730605), (155, 1010585221), (515, 304156717), (655, 239146121), (3193, 49057535), (4061, 38571955), (13493, 11609035), (15965, 9811507), (20305, 7714391), (67465, 2321807), (74897, 2091415), (374485, 418283)]