78471978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1931}}^1$

素因数の和:2470

約数の個数: 32

約数和(自身を含む): 169428672

約数和(自身を除く): 90956694

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 521, 1042, 1563, 1931, 3126, 3862, 5793, 6773, 11586, 13546, 20319, 25103, 40638, 50206, 75309, 150618, 1006051, 2012102, 3018153, 6036306, 13078663, 26157326, 39235989, 78471978]

約数ペア:

[(1, 78471978), (2, 39235989), (3, 26157326), (6, 13078663), (13, 6036306), (26, 3018153), (39, 2012102), (78, 1006051), (521, 150618), (1042, 75309), (1563, 50206), (1931, 40638), (3126, 25103), (3862, 20319), (5793, 13546), (6773, 11586)]