2639499985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{208409}}^1$

素因数の和:208580

約数の個数: 16

約数和(自身を含む): 3376242000

約数和(自身を除く): 736742015

約数列:

[1, 5, 17, 85, 149, 745, 2533, 12665, 208409, 1042045, 3542953, 17714765, 31052941, 155264705, 527899997, 2639499985]

約数ペア:

[(1, 2639499985), (5, 527899997), (17, 155264705), (85, 31052941), (149, 17714765), (745, 3542953), (2533, 1042045), (12665, 208409)]