68891644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{22109}}^1$

素因数の和:22173

約数の個数: 24

約数和(自身を含む): 130006800

約数和(自身を除く): 61115156

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 22109, 44218, 88436, 420071, 840142, 906469, 1680284, 1812938, 3625876, 17222911, 34445822, 68891644]

約数ペア:

[(1, 68891644), (2, 34445822), (4, 17222911), (19, 3625876), (38, 1812938), (41, 1680284), (76, 906469), (82, 840142), (164, 420071), (779, 88436), (1558, 44218), (3116, 22109)]