253723825

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 320979456

約数和(自身を除く): 67255631

約数列:

[1, 5, 25, 71, 223, 355, 641, 1115, 1775, 3205, 5575, 15833, 16025, 45511, 79165, 142943, 227555, 395825, 714715, 1137775, 3573575, 10148953, 50744765, 253723825]

約数ペア:

[(1, 253723825), (5, 50744765), (25, 10148953), (71, 3573575), (223, 1137775), (355, 714715), (641, 395825), (1115, 227555), (1775, 142943), (3205, 79165), (5575, 45511), (15833, 16025)]