90990067

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{4447}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 108175360

約数和(自身を除く): 17185293

約数列:

[1, 7, 37, 79, 259, 553, 2923, 4447, 20461, 31129, 164539, 351313, 1151773, 2459191, 12998581, 90990067]

約数ペア:

[(1, 90990067), (7, 12998581), (37, 2459191), (79, 1151773), (259, 351313), (553, 164539), (2923, 31129), (4447, 20461)]