208491145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 271537920

約数和(自身を除く): 63046775

約数列:

[1, 5, 17, 71, 85, 179, 193, 355, 895, 965, 1207, 3043, 3281, 6035, 12709, 13703, 15215, 16405, 34547, 63545, 68515, 172735, 216053, 232951, 587299, 1080265, 1164755, 2452837, 2936495, 12264185, 41698229, 208491145]

約数ペア:

[(1, 208491145), (5, 41698229), (17, 12264185), (71, 2936495), (85, 2452837), (179, 1164755), (193, 1080265), (355, 587299), (895, 232951), (965, 216053), (1207, 172735), (3043, 68515), (3281, 63545), (6035, 34547), (12709, 16405), (13703, 15215)]