639105654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{333911}}^1$

素因数の和:333956

約数の個数: 32

約数和(自身を含む): 1442499840

約数和(自身を除く): 803394186

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 319, 638, 957, 1914, 333911, 667822, 1001733, 2003466, 3673021, 7346042, 9683419, 11019063, 19366838, 22038126, 29050257, 58100514, 106517609, 213035218, 319552827, 639105654]

約数ペア:

[(1, 639105654), (2, 319552827), (3, 213035218), (6, 106517609), (11, 58100514), (22, 29050257), (29, 22038126), (33, 19366838), (58, 11019063), (66, 9683419), (87, 7346042), (174, 3673021), (319, 2003466), (638, 1001733), (957, 667822), (1914, 333911)]