13191388

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 29474928

約数和(自身を除く): 16283540

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 107, 119, 148, 196, 214, 238, 259, 428, 476, 518, 629, 749, 833, 1036, 1258, 1498, 1666, 1813, 1819, 2516, 2996, 3332, 3626, 3638, 3959, 4403, 5243, 7252, 7276, 7918, 8806, 10486, 12733, 15836, 17612, 20972, 25466, 27713, 30821, 50932, 55426, 61642, 67303, 89131, 110852, 123284, 134606, 178262, 193991, 269212, 356524, 387982, 471121, 775964, 942242, 1884484, 3297847, 6595694, 13191388]

約数ペア:

[(1, 13191388), (2, 6595694), (4, 3297847), (7, 1884484), (14, 942242), (17, 775964), (28, 471121), (34, 387982), (37, 356524), (49, 269212), (68, 193991), (74, 178262), (98, 134606), (107, 123284), (119, 110852), (148, 89131), (196, 67303), (214, 61642), (238, 55426), (259, 50932), (428, 30821), (476, 27713), (518, 25466), (629, 20972), (749, 17612), (833, 15836), (1036, 12733), (1258, 10486), (1498, 8806), (1666, 7918), (1813, 7276), (1819, 7252), (2516, 5243), (2996, 4403), (3332, 3959), (3626, 3638)]