84720590

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 155990016

約数和(自身を除く): 71269426

約数列:

[1, 2, 5, 10, 83, 103, 166, 206, 415, 515, 830, 991, 1030, 1982, 4955, 8549, 9910, 17098, 42745, 82253, 85490, 102073, 164506, 204146, 411265, 510365, 822530, 1020730, 8472059, 16944118, 42360295, 84720590]

約数ペア:

[(1, 84720590), (2, 42360295), (5, 16944118), (10, 8472059), (83, 1020730), (103, 822530), (166, 510365), (206, 411265), (415, 204146), (515, 164506), (830, 102073), (991, 85490), (1030, 82253), (1982, 42745), (4955, 17098), (8549, 9910)]