25990328

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1924

約数の個数: 64

約数和(自身を含む): 63168000

約数和(自身を除く): 37177672

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1879, 1976, 3458, 3758, 6916, 7516, 13153, 13832, 15032, 24427, 26306, 35701, 48854, 52612, 71402, 97708, 105224, 142804, 170989, 195416, 249907, 285608, 341978, 464113, 499814, 683956, 928226, 999628, 1367912, 1856452, 1999256, 3248791, 3712904, 6497582, 12995164, 25990328]

約数ペア:

[(1, 25990328), (2, 12995164), (4, 6497582), (7, 3712904), (8, 3248791), (13, 1999256), (14, 1856452), (19, 1367912), (26, 999628), (28, 928226), (38, 683956), (52, 499814), (56, 464113), (76, 341978), (91, 285608), (104, 249907), (133, 195416), (152, 170989), (182, 142804), (247, 105224), (266, 97708), (364, 71402), (494, 52612), (532, 48854), (728, 35701), (988, 26306), (1064, 24427), (1729, 15032), (1879, 13832), (1976, 13153), (3458, 7516), (3758, 6916)]