90025018

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{4561}}^1$

素因数の和:4773

約数の個数: 16

約数和(自身を含む): 137954880

約数和(自身を除く): 47929862

約数列:

[1, 2, 71, 139, 142, 278, 4561, 9122, 9869, 19738, 323831, 633979, 647662, 1267958, 45012509, 90025018]

約数ペア:

[(1, 90025018), (2, 45012509), (71, 1267958), (139, 647662), (142, 633979), (278, 323831), (4561, 19738), (9122, 9869)]