1333888

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 2818260

約数和(自身を除く): 1484372

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 613, 1088, 1226, 2176, 2452, 4904, 9808, 10421, 19616, 20842, 39232, 41684, 78464, 83368, 166736, 333472, 666944, 1333888]

約数ペア:

[(1, 1333888), (2, 666944), (4, 333472), (8, 166736), (16, 83368), (17, 78464), (32, 41684), (34, 39232), (64, 20842), (68, 19616), (128, 10421), (136, 9808), (272, 4904), (544, 2452), (613, 2176), (1088, 1226)]