87730225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1213}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 119224512

約数和(自身を除く): 31494287

約数列:

[1, 5, 11, 25, 55, 263, 275, 1213, 1315, 2893, 6065, 6575, 13343, 14465, 30325, 66715, 72325, 319019, 333575, 1595095, 3509209, 7975475, 17546045, 87730225]

約数ペア:

[(1, 87730225), (5, 17546045), (11, 7975475), (25, 3509209), (55, 1595095), (263, 333575), (275, 319019), (1213, 72325), (1315, 66715), (2893, 30325), (6065, 14465), (6575, 13343)]