208855868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{37537}}^1$

素因数の和:37661

約数の個数: 24

約数和(自身を含む): 397302192

約数和(自身を除く): 188446324

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 37537, 75074, 150148, 487981, 975962, 1951924, 4016459, 8032918, 16065836, 52213967, 104427934, 208855868]

約数ペア:

[(1, 208855868), (2, 104427934), (4, 52213967), (13, 16065836), (26, 8032918), (52, 4016459), (107, 1951924), (214, 975962), (428, 487981), (1391, 150148), (2782, 75074), (5564, 37537)]