278380856

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{10837}}^1$

素因数の和:10888

約数の個数: 48

約数和(自身を含む): 595006200

約数和(自身を除く): 316625344

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 988, 1352, 1976, 3211, 6422, 10837, 12844, 21674, 25688, 43348, 86696, 140881, 205903, 281762, 411806, 563524, 823612, 1127048, 1647224, 1831453, 2676739, 3662906, 5353478, 7325812, 10706956, 14651624, 21413912, 34797607, 69595214, 139190428, 278380856]

約数ペア:

[(1, 278380856), (2, 139190428), (4, 69595214), (8, 34797607), (13, 21413912), (19, 14651624), (26, 10706956), (38, 7325812), (52, 5353478), (76, 3662906), (104, 2676739), (152, 1831453), (169, 1647224), (247, 1127048), (338, 823612), (494, 563524), (676, 411806), (988, 281762), (1352, 205903), (1976, 140881), (3211, 86696), (6422, 43348), (10837, 25688), (12844, 21674)]