81437806

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{353}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 128561472

約数和(自身を除く): 47123666

約数列:

[1, 2, 31, 61, 62, 122, 353, 706, 1891, 3721, 3782, 7442, 10943, 21533, 21886, 43066, 115351, 230702, 667523, 1313513, 1335046, 2627026, 40718903, 81437806]

約数ペア:

[(1, 81437806), (2, 40718903), (31, 2627026), (61, 1335046), (62, 1313513), (122, 667523), (353, 230702), (706, 115351), (1891, 43066), (3721, 21886), (3782, 21533), (7442, 10943)]