2815978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4129}}^1$

素因数の和:4173

約数の個数: 16

約数和(自身を含む): 4757760

約数和(自身を除く): 1941782

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 4129, 8258, 45419, 90838, 127999, 255998, 1407989, 2815978]

約数ペア:

[(1, 2815978), (2, 1407989), (11, 255998), (22, 127999), (31, 90838), (62, 45419), (341, 8258), (682, 4129)]