1987145928

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{641843}}^1$

素因数の和:641898

約数の個数: 48

約数和(自身を含む): 5507021520

約数和(自身を除く): 3519875592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 641843, 1283686, 1925529, 2567372, 3851058, 5134744, 5776587, 7702116, 11553174, 15404232, 23106348, 27599249, 46212696, 55198498, 82797747, 110396996, 165595494, 220793992, 248393241, 331190988, 496786482, 662381976, 993572964, 1987145928]

約数ペア:

[(1, 1987145928), (2, 993572964), (3, 662381976), (4, 496786482), (6, 331190988), (8, 248393241), (9, 220793992), (12, 165595494), (18, 110396996), (24, 82797747), (36, 55198498), (43, 46212696), (72, 27599249), (86, 23106348), (129, 15404232), (172, 11553174), (258, 7702116), (344, 5776587), (387, 5134744), (516, 3851058), (774, 2567372), (1032, 1925529), (1548, 1283686), (3096, 641843)]