81192990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{117671}}^1$

素因数の和:117704

約数の個数: 32

約数和(自身を含む): 203337216

約数和(自身を除く): 122144226

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 117671, 235342, 353013, 588355, 706026, 1176710, 1765065, 2706433, 3530130, 5412866, 8119299, 13532165, 16238598, 27064330, 40596495, 81192990]

約数ペア:

[(1, 81192990), (2, 40596495), (3, 27064330), (5, 16238598), (6, 13532165), (10, 8119299), (15, 5412866), (23, 3530130), (30, 2706433), (46, 1765065), (69, 1176710), (115, 706026), (138, 588355), (230, 353013), (345, 235342), (690, 117671)]