258727945

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{33149}}^1$

素因数の和:33384

約数の個数: 16

約数和(自身を含む): 356428800

約数和(自身を除く): 97700855

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 7805, 33149, 165745, 232043, 1160215, 7392227, 36961135, 51745589, 258727945]

約数ペア:

[(1, 258727945), (5, 51745589), (7, 36961135), (35, 7392227), (223, 1160215), (1115, 232043), (1561, 165745), (7805, 33149)]