15980971324

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{128878801}}^1$

素因数の和:128878836

約数の個数: 12

約数和(自身を含む): 28868851648

約数和(自身を除く): 12887880324

約数列:

[1, 2, 4, 31, 62, 124, 128878801, 257757602, 515515204, 3995242831, 7990485662, 15980971324]

約数ペア:

[(1, 15980971324), (2, 7990485662), (4, 3995242831), (31, 515515204), (62, 257757602), (124, 128878801)]