31120648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6959}}^1$

素因数の和:7021

約数の個数: 32

約数和(自身を含む): 64310400

約数和(自身を除く): 33189752

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 6959, 13918, 27836, 55672, 90467, 180934, 299237, 361868, 598474, 723736, 1196948, 2393896, 3890081, 7780162, 15560324, 31120648]

約数ペア:

[(1, 31120648), (2, 15560324), (4, 7780162), (8, 3890081), (13, 2393896), (26, 1196948), (43, 723736), (52, 598474), (86, 361868), (104, 299237), (172, 180934), (344, 90467), (559, 55672), (1118, 27836), (2236, 13918), (4472, 6959)]