2561904387

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1486

約数の個数: 96

約数和(自身を含む): 4692480000

約数和(自身を除く): 2130575613

約数列:

[1, 3, 7, 9, 19, 21, 31, 49, 57, 63, 93, 133, 147, 171, 217, 279, 343, 399, 441, 589, 651, 931, 1029, 1197, 1409, 1519, 1767, 1953, 2793, 3087, 4123, 4227, 4557, 5301, 6517, 8379, 9863, 10633, 12369, 12681, 13671, 19551, 26771, 28861, 29589, 31899, 37107, 43679, 58653, 69041, 80313, 86583, 88767, 95697, 131037, 187397, 202027, 207123, 240939, 259749, 305753, 393111, 483287, 562191, 606081, 621369, 829901, 917259, 1311779, 1449861, 1686573, 1818243, 2140271, 2489703, 2751777, 3935337, 4349583, 5809307, 6420813, 7469109, 9182453, 11806011, 14981897, 17427921, 19262439, 27547359, 40665149, 44945691, 52283763, 82642077, 121995447, 134837073, 284656043, 365986341, 853968129, 2561904387]

約数ペア:

[(1, 2561904387), (3, 853968129), (7, 365986341), (9, 284656043), (19, 134837073), (21, 121995447), (31, 82642077), (49, 52283763), (57, 44945691), (63, 40665149), (93, 27547359), (133, 19262439), (147, 17427921), (171, 14981897), (217, 11806011), (279, 9182453), (343, 7469109), (399, 6420813), (441, 5809307), (589, 4349583), (651, 3935337), (931, 2751777), (1029, 2489703), (1197, 2140271), (1409, 1818243), (1519, 1686573), (1767, 1449861), (1953, 1311779), (2793, 917259), (3087, 829901), (4123, 621369), (4227, 606081), (4557, 562191), (5301, 483287), (6517, 393111), (8379, 305753), (9863, 259749), (10633, 240939), (12369, 207123), (12681, 202027), (13671, 187397), (19551, 131037), (26771, 95697), (28861, 88767), (29589, 86583), (31899, 80313), (37107, 69041), (43679, 58653)]