253372535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 336897792

約数和(自身を除く): 83525257

約数列:

[1, 5, 13, 47, 65, 197, 235, 421, 611, 985, 2105, 2561, 3055, 5473, 9259, 12805, 19787, 27365, 46295, 82937, 98935, 120367, 257231, 414685, 601835, 1078181, 1286155, 3898039, 5390905, 19490195, 50674507, 253372535]

約数ペア:

[(1, 253372535), (5, 50674507), (13, 19490195), (47, 5390905), (65, 3898039), (197, 1286155), (235, 1078181), (421, 601835), (611, 414685), (985, 257231), (2105, 120367), (2561, 98935), (3055, 82937), (5473, 46295), (9259, 27365), (12805, 19787)]