279997888

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{257351}}^1$

素因数の和:257380

約数の個数: 28

約数和(自身を含む): 588306672

約数和(自身を除く): 308308784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 257351, 514702, 1029404, 2058808, 4117616, 4374967, 8235232, 8749934, 16470464, 17499868, 34999736, 69999472, 139998944, 279997888]

約数ペア:

[(1, 279997888), (2, 139998944), (4, 69999472), (8, 34999736), (16, 17499868), (17, 16470464), (32, 8749934), (34, 8235232), (64, 4374967), (68, 4117616), (136, 2058808), (272, 1029404), (544, 514702), (1088, 257351)]