25421885

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 32986536

約数和(自身を除く): 7564651

約数列:

[1, 5, 17, 73, 85, 241, 289, 365, 1205, 1241, 1445, 4097, 6205, 17593, 20485, 21097, 69649, 87965, 105485, 299081, 348245, 1495405, 5084377, 25421885]

約数ペア:

[(1, 25421885), (5, 5084377), (17, 1495405), (73, 348245), (85, 299081), (241, 105485), (289, 87965), (365, 69649), (1205, 21097), (1241, 20485), (1445, 17593), (4097, 6205)]