81517852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{36457}}^1$

素因数の和:36517

約数の個数: 24

約数和(自身を含む): 157206896

約数和(自身を除く): 75689044

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 36457, 72914, 145828, 473941, 947882, 1567651, 1895764, 3135302, 6270604, 20379463, 40758926, 81517852]

約数ペア:

[(1, 81517852), (2, 40758926), (4, 20379463), (13, 6270604), (26, 3135302), (43, 1895764), (52, 1567651), (86, 947882), (172, 473941), (559, 145828), (1118, 72914), (2236, 36457)]