28270354

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 53187840

約数和(自身を除く): 24917486

約数列:

[1, 2, 7, 14, 17, 34, 49, 71, 98, 119, 142, 238, 239, 478, 497, 833, 994, 1207, 1666, 1673, 2414, 3346, 3479, 4063, 6958, 8126, 8449, 11711, 16898, 16969, 23422, 28441, 33938, 56882, 59143, 118286, 118783, 199087, 237566, 288473, 398174, 576946, 831481, 1662962, 2019311, 4038622, 14135177, 28270354]

約数ペア:

[(1, 28270354), (2, 14135177), (7, 4038622), (14, 2019311), (17, 1662962), (34, 831481), (49, 576946), (71, 398174), (98, 288473), (119, 237566), (142, 199087), (238, 118783), (239, 118286), (478, 59143), (497, 56882), (833, 33938), (994, 28441), (1207, 23422), (1666, 16969), (1673, 16898), (2414, 11711), (3346, 8449), (3479, 8126), (4063, 6958)]