156872005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{1889}}^1$

素因数の和:2888

約数の個数: 16

約数和(自身を含む): 199629360

約数和(自身を除く): 42757355

約数列:

[1, 5, 17, 85, 977, 1889, 4885, 9445, 16609, 32113, 83045, 160565, 1845553, 9227765, 31374401, 156872005]

約数ペア:

[(1, 156872005), (5, 31374401), (17, 9227765), (85, 1845553), (977, 160565), (1889, 83045), (4885, 32113), (9445, 16609)]