81574361

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 97182720

約数和(自身を除く): 15608359

約数列:

[1, 11, 29, 31, 73, 113, 319, 341, 803, 899, 1243, 2117, 2263, 3277, 3503, 8249, 9889, 23287, 24893, 36047, 38533, 65627, 90739, 101587, 239221, 255719, 721897, 1117457, 2631431, 2812909, 7415851, 81574361]

約数ペア:

[(1, 81574361), (11, 7415851), (29, 2812909), (31, 2631431), (73, 1117457), (113, 721897), (319, 255719), (341, 239221), (803, 101587), (899, 90739), (1243, 65627), (2117, 38533), (2263, 36047), (3277, 24893), (3503, 23287), (8249, 9889)]