211501465

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 295105536

約数和(自身を除く): 83604071

約数列:

[1, 5, 7, 35, 131, 163, 283, 655, 815, 917, 1141, 1415, 1981, 4585, 5705, 9905, 21353, 37073, 46129, 106765, 149471, 185365, 230645, 259511, 322903, 747355, 1297555, 1614515, 6042899, 30214495, 42300293, 211501465]

約数ペア:

[(1, 211501465), (5, 42300293), (7, 30214495), (35, 6042899), (131, 1614515), (163, 1297555), (283, 747355), (655, 322903), (815, 259511), (917, 230645), (1141, 185365), (1415, 149471), (1981, 106765), (4585, 46129), (5705, 37073), (9905, 21353)]