668817604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3727}}^1$

素因数の和:3797

約数の個数: 96

約数和(自身を含む): 1578286080

約数和(自身を除く): 909468476

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 29, 34, 52, 58, 68, 91, 116, 119, 182, 203, 221, 238, 364, 377, 406, 442, 476, 493, 754, 812, 884, 986, 1508, 1547, 1972, 2639, 3094, 3451, 3727, 5278, 6188, 6409, 6902, 7454, 10556, 12818, 13804, 14908, 25636, 26089, 44863, 48451, 52178, 63359, 89726, 96902, 104356, 108083, 126718, 179452, 193804, 216166, 253436, 339157, 432332, 443513, 678314, 756581, 823667, 887026, 1356628, 1405079, 1513162, 1647334, 1774052, 1837411, 2810158, 3026324, 3294668, 3674822, 5620316, 5765669, 7349644, 9835553, 11531338, 12861877, 19671106, 23062676, 23886343, 25723754, 39342212, 47772686, 51447508, 95545372, 167204401, 334408802, 668817604]

約数ペア:

[(1, 668817604), (2, 334408802), (4, 167204401), (7, 95545372), (13, 51447508), (14, 47772686), (17, 39342212), (26, 25723754), (28, 23886343), (29, 23062676), (34, 19671106), (52, 12861877), (58, 11531338), (68, 9835553), (91, 7349644), (116, 5765669), (119, 5620316), (182, 3674822), (203, 3294668), (221, 3026324), (238, 2810158), (364, 1837411), (377, 1774052), (406, 1647334), (442, 1513162), (476, 1405079), (493, 1356628), (754, 887026), (812, 823667), (884, 756581), (986, 678314), (1508, 443513), (1547, 432332), (1972, 339157), (2639, 253436), (3094, 216166), (3451, 193804), (3727, 179452), (5278, 126718), (6188, 108083), (6409, 104356), (6902, 96902), (7454, 89726), (10556, 63359), (12818, 52178), (13804, 48451), (14908, 44863), (25636, 26089)]