221749304

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1567}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 510783840

約数和(自身を除く): 289034536

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 361, 392, 532, 722, 931, 1064, 1444, 1567, 1862, 2527, 2888, 3134, 3724, 5054, 6268, 7448, 10108, 10969, 12536, 17689, 20216, 21938, 29773, 35378, 43876, 59546, 70756, 76783, 87752, 119092, 141512, 153566, 208411, 238184, 307132, 416822, 565687, 614264, 833644, 1131374, 1458877, 1667288, 2262748, 2917754, 3959809, 4525496, 5835508, 7919618, 11671016, 15839236, 27718663, 31678472, 55437326, 110874652, 221749304]

約数ペア:

[(1, 221749304), (2, 110874652), (4, 55437326), (7, 31678472), (8, 27718663), (14, 15839236), (19, 11671016), (28, 7919618), (38, 5835508), (49, 4525496), (56, 3959809), (76, 2917754), (98, 2262748), (133, 1667288), (152, 1458877), (196, 1131374), (266, 833644), (361, 614264), (392, 565687), (532, 416822), (722, 307132), (931, 238184), (1064, 208411), (1444, 153566), (1567, 141512), (1862, 119092), (2527, 87752), (2888, 76783), (3134, 70756), (3724, 59546), (5054, 43876), (6268, 35378), (7448, 29773), (10108, 21938), (10969, 20216), (12536, 17689)]