216830405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^2\times {\mathrm{419}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 287491680

約数和(自身を除く): 70661275

約数列:

[1, 5, 11, 55, 97, 419, 485, 1067, 2095, 4609, 5335, 9409, 23045, 40643, 47045, 103499, 203215, 447073, 517495, 2235365, 3942371, 19711855, 43366081, 216830405]

約数ペア:

[(1, 216830405), (5, 43366081), (11, 19711855), (55, 3942371), (97, 2235365), (419, 517495), (485, 447073), (1067, 203215), (2095, 103499), (4609, 47045), (5335, 40643), (9409, 23045)]