90396395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 31531285

約数列:

[1, 5, 17, 19, 85, 95, 223, 251, 323, 1115, 1255, 1615, 3791, 4237, 4267, 4769, 18955, 21185, 21335, 23845, 55973, 72029, 81073, 279865, 360145, 405365, 951541, 1063487, 4757705, 5317435, 18079279, 90396395]

約数ペア:

[(1, 90396395), (5, 18079279), (17, 5317435), (19, 4757705), (85, 1063487), (95, 951541), (223, 405365), (251, 360145), (323, 279865), (1115, 81073), (1255, 72029), (1615, 55973), (3791, 23845), (4237, 21335), (4267, 21185), (4769, 18955)]