72778216

素因数分解:

$2^3\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1549}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 156240000

約数和(自身を除く): 83461784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 839, 1549, 1678, 3098, 3356, 5873, 6196, 6712, 10843, 11746, 12392, 21686, 23492, 43372, 46984, 86744, 1299611, 2599222, 5198444, 9097277, 10396888, 18194554, 36389108, 72778216]

約数ペア:

[(1, 72778216), (2, 36389108), (4, 18194554), (7, 10396888), (8, 9097277), (14, 5198444), (28, 2599222), (56, 1299611), (839, 86744), (1549, 46984), (1678, 43372), (3098, 23492), (3356, 21686), (5873, 12392), (6196, 11746), (6712, 10843)]