71420506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 116740800

約数和(自身を除く): 45320294

約数列:

[1, 2, 19, 38, 43, 86, 109, 218, 401, 802, 817, 1634, 2071, 4142, 4687, 7619, 9374, 15238, 17243, 34486, 43709, 87418, 89053, 178106, 327617, 655234, 830471, 1660942, 1879487, 3758974, 35710253, 71420506]

約数ペア:

[(1, 71420506), (2, 35710253), (19, 3758974), (38, 1879487), (43, 1660942), (86, 830471), (109, 655234), (218, 327617), (401, 178106), (802, 89053), (817, 87418), (1634, 43709), (2071, 34486), (4142, 17243), (4687, 15238), (7619, 9374)]