261899496

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{191447}}^1$

素因数の和:191478

約数の個数: 48

約数和(自身を含む): 746647200

約数和(自身を除く): 484747704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 191447, 382894, 574341, 765788, 1148682, 1531576, 1723023, 2297364, 3446046, 3637493, 4594728, 6892092, 7274986, 10912479, 13784184, 14549972, 21824958, 29099944, 32737437, 43649916, 65474874, 87299832, 130949748, 261899496]

約数ペア:

[(1, 261899496), (2, 130949748), (3, 87299832), (4, 65474874), (6, 43649916), (8, 32737437), (9, 29099944), (12, 21824958), (18, 14549972), (19, 13784184), (24, 10912479), (36, 7274986), (38, 6892092), (57, 4594728), (72, 3637493), (76, 3446046), (114, 2297364), (152, 1723023), (171, 1531576), (228, 1148682), (342, 765788), (456, 574341), (684, 382894), (1368, 191447)]