81497555

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 104223312

約数和(自身を除く): 22725757

約数列:

[1, 5, 19, 95, 163, 277, 361, 815, 1385, 1805, 3097, 5263, 15485, 26315, 45151, 58843, 99997, 225755, 294215, 499985, 857869, 4289345, 16299511, 81497555]

約数ペア:

[(1, 81497555), (5, 16299511), (19, 4289345), (95, 857869), (163, 499985), (277, 294215), (361, 225755), (815, 99997), (1385, 58843), (1805, 45151), (3097, 26315), (5263, 15485)]