68515856

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1983

約数の個数: 40

約数和(自身を含む): 138473280

約数和(自身を除く): 69957424

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 1879, 2279, 3758, 4558, 7516, 9116, 15032, 18232, 30064, 36464, 80797, 99587, 161594, 199174, 323188, 398348, 646376, 796696, 1292752, 1593392, 4282241, 8564482, 17128964, 34257928, 68515856]

約数ペア:

[(1, 68515856), (2, 34257928), (4, 17128964), (8, 8564482), (16, 4282241), (43, 1593392), (53, 1292752), (86, 796696), (106, 646376), (172, 398348), (212, 323188), (344, 199174), (424, 161594), (688, 99587), (848, 80797), (1879, 36464), (2279, 30064), (3758, 18232), (4558, 15032), (7516, 9116)]