129868976

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{197971}}^1$

素因数の和:198020

約数の個数: 20

約数和(自身を含む): 257759544

約数和(自身を除く): 127890568

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 197971, 395942, 791884, 1583768, 3167536, 8116811, 16233622, 32467244, 64934488, 129868976]

約数ペア:

[(1, 129868976), (2, 64934488), (4, 32467244), (8, 16233622), (16, 8116811), (41, 3167536), (82, 1583768), (164, 791884), (328, 395942), (656, 197971)]