289673774

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{20903}}^1$

素因数の和:20972

約数の個数: 24

約数和(自身を含む): 482004432

約数和(自身を除く): 192330658

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 6929, 13858, 20903, 41806, 271739, 543478, 857023, 1714046, 3532607, 7065214, 11141299, 22282598, 144836887, 289673774]

約数ペア:

[(1, 289673774), (2, 144836887), (13, 22282598), (26, 11141299), (41, 7065214), (82, 3532607), (169, 1714046), (338, 857023), (533, 543478), (1066, 271739), (6929, 41806), (13858, 20903)]