68178568

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 139642020

約数和(自身を除く): 71463452

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 289, 296, 578, 629, 797, 1156, 1258, 1594, 2312, 2516, 3188, 5032, 6376, 10693, 13549, 21386, 27098, 29489, 42772, 54196, 58978, 85544, 108392, 117956, 230333, 235912, 460666, 501313, 921332, 1002626, 1842664, 2005252, 4010504, 8522321, 17044642, 34089284, 68178568]

約数ペア:

[(1, 68178568), (2, 34089284), (4, 17044642), (8, 8522321), (17, 4010504), (34, 2005252), (37, 1842664), (68, 1002626), (74, 921332), (136, 501313), (148, 460666), (289, 235912), (296, 230333), (578, 117956), (629, 108392), (797, 85544), (1156, 58978), (1258, 54196), (1594, 42772), (2312, 29489), (2516, 27098), (3188, 21386), (5032, 13549), (6376, 10693)]