156665305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 203212800

約数和(自身を除く): 46547495

約数列:

[1, 5, 23, 41, 115, 149, 205, 223, 745, 943, 1115, 3427, 4715, 5129, 6109, 9143, 17135, 25645, 30545, 33227, 45715, 140507, 166135, 210289, 702535, 764221, 1051445, 1362307, 3821105, 6811535, 31333061, 156665305]

約数ペア:

[(1, 156665305), (5, 31333061), (23, 6811535), (41, 3821105), (115, 1362307), (149, 1051445), (205, 764221), (223, 702535), (745, 210289), (943, 166135), (1115, 140507), (3427, 45715), (4715, 33227), (5129, 30545), (6109, 25645), (9143, 17135)]