208654808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{29207}}^1$

素因数の和:29279

約数の個数: 32

約数和(自身を含む): 420595200

約数和(自身を除く): 211940392

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144, 29207, 58414, 116828, 233656, 554933, 1109866, 1372729, 2219732, 2745458, 4439464, 5490916, 10981832, 26081851, 52163702, 104327404, 208654808]

約数ペア:

[(1, 208654808), (2, 104327404), (4, 52163702), (8, 26081851), (19, 10981832), (38, 5490916), (47, 4439464), (76, 2745458), (94, 2219732), (152, 1372729), (188, 1109866), (376, 554933), (893, 233656), (1786, 116828), (3572, 58414), (7144, 29207)]