138920808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1693}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 375661440

約数和(自身を除く): 236740632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 263, 312, 526, 789, 1052, 1578, 1693, 2104, 3156, 3386, 3419, 5079, 6312, 6772, 6838, 10158, 10257, 13544, 13676, 20316, 20514, 22009, 27352, 40632, 41028, 44018, 66027, 82056, 88036, 132054, 176072, 264108, 445259, 528216, 890518, 1335777, 1781036, 2671554, 3562072, 5343108, 5788367, 10686216, 11576734, 17365101, 23153468, 34730202, 46306936, 69460404, 138920808]

約数ペア:

[(1, 138920808), (2, 69460404), (3, 46306936), (4, 34730202), (6, 23153468), (8, 17365101), (12, 11576734), (13, 10686216), (24, 5788367), (26, 5343108), (39, 3562072), (52, 2671554), (78, 1781036), (104, 1335777), (156, 890518), (263, 528216), (312, 445259), (526, 264108), (789, 176072), (1052, 132054), (1578, 88036), (1693, 82056), (2104, 66027), (3156, 44018), (3386, 41028), (3419, 40632), (5079, 27352), (6312, 22009), (6772, 20514), (6838, 20316), (10158, 13676), (10257, 13544)]