2016973925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5279}}^1$

素因数の和:5366

約数の個数: 48

約数和(自身を含む): 2828390400

約数和(自身を除く): 811416475

約数列:

[1, 5, 17, 25, 29, 31, 85, 145, 155, 425, 493, 527, 725, 775, 899, 2465, 2635, 4495, 5279, 12325, 13175, 15283, 22475, 26395, 76415, 89743, 131975, 153091, 163649, 382075, 448715, 765455, 818245, 2243575, 2602547, 2782033, 3827275, 4091225, 4745821, 13012735, 13910165, 23729105, 65063675, 69550825, 80678957, 118645525, 403394785, 2016973925]

約数ペア:

[(1, 2016973925), (5, 403394785), (17, 118645525), (25, 80678957), (29, 69550825), (31, 65063675), (85, 23729105), (145, 13910165), (155, 13012735), (425, 4745821), (493, 4091225), (527, 3827275), (725, 2782033), (775, 2602547), (899, 2243575), (2465, 818245), (2635, 765455), (4495, 448715), (5279, 382075), (12325, 163649), (13175, 153091), (15283, 131975), (22475, 89743), (26395, 76415)]