159798455

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 203801472

約数和(自身を除く): 44003017

約数列:

[1, 5, 19, 95, 223, 361, 397, 1115, 1805, 1985, 4237, 7543, 21185, 37715, 80503, 88531, 143317, 402515, 442655, 716585, 1682089, 8410445, 31959691, 159798455]

約数ペア:

[(1, 159798455), (5, 31959691), (19, 8410445), (95, 1682089), (223, 716585), (361, 442655), (397, 402515), (1115, 143317), (1805, 88531), (1985, 80503), (4237, 37715), (7543, 21185)]