81990466

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 129991680

約数和(自身を除く): 48001214

約数列:

[1, 2, 47, 61, 79, 94, 122, 158, 181, 362, 2867, 3713, 4819, 5734, 7426, 8507, 9638, 11041, 14299, 17014, 22082, 28598, 226493, 452986, 518927, 672053, 872239, 1037854, 1344106, 1744478, 40995233, 81990466]

約数ペア:

[(1, 81990466), (2, 40995233), (47, 1744478), (61, 1344106), (79, 1037854), (94, 872239), (122, 672053), (158, 518927), (181, 452986), (362, 226493), (2867, 28598), (3713, 22082), (4819, 17014), (5734, 14299), (7426, 11041), (8507, 9638)]