81159806

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{15377}}^1$

素因数の和:15428

約数の個数: 32

約数和(自身を含む): 155010240

約数和(自身を除く): 73850434

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 5278, 15377, 30754, 107639, 199901, 215278, 399802, 445933, 891866, 1399307, 2798614, 3121531, 5797129, 6243062, 11594258, 40579903, 81159806]

約数ペア:

[(1, 81159806), (2, 40579903), (7, 11594258), (13, 6243062), (14, 5797129), (26, 3121531), (29, 2798614), (58, 1399307), (91, 891866), (182, 445933), (203, 399802), (377, 215278), (406, 199901), (754, 107639), (2639, 30754), (5278, 15377)]