136638896

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{208291}}^1$

素因数の和:208340

約数の個数: 20

約数和(自身を含む): 271196184

約数和(自身を除く): 134557288

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 208291, 416582, 833164, 1666328, 3332656, 8539931, 17079862, 34159724, 68319448, 136638896]

約数ペア:

[(1, 136638896), (2, 68319448), (4, 34159724), (8, 17079862), (16, 8539931), (41, 3332656), (82, 1666328), (164, 833164), (328, 416582), (656, 208291)]