198499868

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1459}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 410108160

約数和(自身を除く): 211608292

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 113, 172, 226, 301, 452, 602, 791, 1204, 1459, 1582, 2918, 3164, 4859, 5836, 9718, 10213, 19436, 20426, 34013, 40852, 62737, 68026, 125474, 136052, 164867, 250948, 329734, 439159, 659468, 878318, 1154069, 1756636, 2308138, 4616276, 7089281, 14178562, 28357124, 49624967, 99249934, 198499868]

約数ペア:

[(1, 198499868), (2, 99249934), (4, 49624967), (7, 28357124), (14, 14178562), (28, 7089281), (43, 4616276), (86, 2308138), (113, 1756636), (172, 1154069), (226, 878318), (301, 659468), (452, 439159), (602, 329734), (791, 250948), (1204, 164867), (1459, 136052), (1582, 125474), (2918, 68026), (3164, 62737), (4859, 40852), (5836, 34013), (9718, 20426), (10213, 19436)]