664821488

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{367711}}^1$

素因数の和:367832

約数の個数: 20

約数和(自身を含む): 1299494208

約数和(自身を除く): 634672720

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 367711, 735422, 1470844, 2941688, 5883376, 41551343, 83102686, 166205372, 332410744, 664821488]

約数ペア:

[(1, 664821488), (2, 332410744), (4, 166205372), (8, 83102686), (16, 41551343), (113, 5883376), (226, 2941688), (452, 1470844), (904, 735422), (1808, 367711)]