289488862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 478548000

約数和(自身を除く): 189059138

約数列:

[1, 2, 13, 26, 53, 106, 421, 499, 689, 842, 998, 1378, 5473, 6487, 10946, 12974, 22313, 26447, 44626, 52894, 210079, 290069, 343811, 420158, 580138, 687622, 2731027, 5462054, 11134187, 22268374, 144744431, 289488862]

約数ペア:

[(1, 289488862), (2, 144744431), (13, 22268374), (26, 11134187), (53, 5462054), (106, 2731027), (421, 687622), (499, 580138), (689, 420158), (842, 343811), (998, 290069), (1378, 210079), (5473, 52894), (6487, 44626), (10946, 26447), (12974, 22313)]