666944

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:642

約数の個数: 28

約数和(自身を含む): 1403604

約数和(自身を除く): 736660

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 613, 1088, 1226, 2452, 4904, 9808, 10421, 19616, 20842, 39232, 41684, 83368, 166736, 333472, 666944]

約数ペア:

[(1, 666944), (2, 333472), (4, 166736), (8, 83368), (16, 41684), (17, 39232), (32, 20842), (34, 19616), (64, 10421), (68, 9808), (136, 4904), (272, 2452), (544, 1226), (613, 1088)]