207471385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 284808960

約数和(自身を除く): 77337575

約数列:

[1, 5, 11, 23, 55, 115, 253, 401, 409, 1265, 2005, 2045, 4411, 4499, 9223, 9407, 22055, 22495, 46115, 47035, 101453, 103477, 164009, 507265, 517385, 820045, 1804099, 3772207, 9020495, 18861035, 41494277, 207471385]

約数ペア:

[(1, 207471385), (5, 41494277), (11, 18861035), (23, 9020495), (55, 3772207), (115, 1804099), (253, 820045), (401, 517385), (409, 507265), (1265, 164009), (2005, 103477), (2045, 101453), (4411, 47035), (4499, 46115), (9223, 22495), (9407, 22055)]