13157578

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 24427008

約数和(自身を除く): 11269430

約数列:

[1, 2, 7, 14, 31, 49, 61, 62, 71, 98, 122, 142, 217, 427, 434, 497, 854, 994, 1519, 1891, 2201, 2989, 3038, 3479, 3782, 4331, 4402, 5978, 6958, 8662, 13237, 15407, 26474, 30317, 30814, 60634, 92659, 107849, 134261, 185318, 212219, 215698, 268522, 424438, 939827, 1879654, 6578789, 13157578]

約数ペア:

[(1, 13157578), (2, 6578789), (7, 1879654), (14, 939827), (31, 424438), (49, 268522), (61, 215698), (62, 212219), (71, 185318), (98, 134261), (122, 107849), (142, 92659), (217, 60634), (427, 30814), (434, 30317), (497, 26474), (854, 15407), (994, 13237), (1519, 8662), (1891, 6958), (2201, 5978), (2989, 4402), (3038, 4331), (3479, 3782)]