156965081975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{21727}}^1\times {\mathrm{22229}}^1$

素因数の和:43979

約数の個数: 24

約数和(自身を含む): 209627832960

約数和(自身を除く): 52662750985

約数列:

[1, 5, 13, 25, 65, 325, 21727, 22229, 108635, 111145, 282451, 288977, 543175, 555725, 1412255, 1444885, 7061275, 7224425, 482969483, 2414847415, 6278603279, 12074237075, 31393016395, 156965081975]

約数ペア:

[(1, 156965081975), (5, 31393016395), (13, 12074237075), (25, 6278603279), (65, 2414847415), (325, 482969483), (21727, 7224425), (22229, 7061275), (108635, 1444885), (111145, 1412255), (282451, 555725), (288977, 543175)]