209911286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1931}}^1$

素因数の和:2096

約数の個数: 32

約数和(自身を含む): 351515808

約数和(自身を除く): 141604522

約数列:

[1, 2, 13, 26, 37, 74, 113, 226, 481, 962, 1469, 1931, 2938, 3862, 4181, 8362, 25103, 50206, 54353, 71447, 108706, 142894, 218203, 436406, 928811, 1857622, 2836639, 5673278, 8073511, 16147022, 104955643, 209911286]

約数ペア:

[(1, 209911286), (2, 104955643), (13, 16147022), (26, 8073511), (37, 5673278), (74, 2836639), (113, 1857622), (226, 928811), (481, 436406), (962, 218203), (1469, 142894), (1931, 108706), (2938, 71447), (3862, 54353), (4181, 50206), (8362, 25103)]