28780932

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 73375456

約数和(自身を除く): 44594524

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 193, 204, 258, 289, 386, 516, 578, 579, 731, 772, 867, 1156, 1158, 1462, 1734, 2193, 2316, 2924, 3281, 3468, 4386, 6562, 8299, 8772, 9843, 12427, 13124, 16598, 19686, 24854, 24897, 33196, 37281, 39372, 49708, 49794, 55777, 74562, 99588, 111554, 141083, 149124, 167331, 223108, 282166, 334662, 423249, 564332, 669324, 846498, 1692996, 2398411, 4796822, 7195233, 9593644, 14390466, 28780932]

約数ペア:

[(1, 28780932), (2, 14390466), (3, 9593644), (4, 7195233), (6, 4796822), (12, 2398411), (17, 1692996), (34, 846498), (43, 669324), (51, 564332), (68, 423249), (86, 334662), (102, 282166), (129, 223108), (172, 167331), (193, 149124), (204, 141083), (258, 111554), (289, 99588), (386, 74562), (516, 55777), (578, 49794), (579, 49708), (731, 39372), (772, 37281), (867, 33196), (1156, 24897), (1158, 24854), (1462, 19686), (1734, 16598), (2193, 13124), (2316, 12427), (2924, 9843), (3281, 8772), (3468, 8299), (4386, 6562)]