208403984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{1181}}^1$

素因数の和:1499

約数の個数: 40

約数和(自身を含む): 415520280

約数和(自身を除く): 207116296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 269, 328, 538, 656, 1076, 1181, 2152, 2362, 4304, 4724, 9448, 11029, 18896, 22058, 44116, 48421, 88232, 96842, 176464, 193684, 317689, 387368, 635378, 774736, 1270756, 2541512, 5083024, 13025249, 26050498, 52100996, 104201992, 208403984]

約数ペア:

[(1, 208403984), (2, 104201992), (4, 52100996), (8, 26050498), (16, 13025249), (41, 5083024), (82, 2541512), (164, 1270756), (269, 774736), (328, 635378), (538, 387368), (656, 317689), (1076, 193684), (1181, 176464), (2152, 96842), (2362, 88232), (4304, 48421), (4724, 44116), (9448, 22058), (11029, 18896)]