1538124328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{778403}}^1$

素因数の和:778441

約数の個数: 32

約数和(自身を含む): 3269296800

約数和(自身を除く): 1731172472

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 778403, 1556806, 3113612, 6227224, 10119239, 14789657, 20238478, 29579314, 40476956, 59158628, 80953912, 118317256, 192265541, 384531082, 769062164, 1538124328]

約数ペア:

[(1, 1538124328), (2, 769062164), (4, 384531082), (8, 192265541), (13, 118317256), (19, 80953912), (26, 59158628), (38, 40476956), (52, 29579314), (76, 20238478), (104, 14789657), (152, 10119239), (247, 6227224), (494, 3113612), (988, 1556806), (1976, 778403)]