81286682

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{1571}}^1$

素因数の和:2245

約数の個数: 16

約数和(自身を含む): 125181504

約数和(自身を除く): 43894822

約数列:

[1, 2, 41, 82, 631, 1262, 1571, 3142, 25871, 51742, 64411, 128822, 991301, 1982602, 40643341, 81286682]

約数ペア:

[(1, 81286682), (2, 40643341), (41, 1982602), (82, 991301), (631, 128822), (1262, 64411), (1571, 51742), (3142, 25871)]