28721398

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 47606400

約数和(自身を除く): 18885002

約数列:

[1, 2, 17, 34, 37, 74, 79, 158, 289, 578, 629, 1258, 1343, 2686, 2923, 4913, 5846, 9826, 10693, 21386, 22831, 45662, 49691, 99382, 181781, 363562, 388127, 776254, 844747, 1689494, 14360699, 28721398]

約数ペア:

[(1, 28721398), (2, 14360699), (17, 1689494), (34, 844747), (37, 776254), (74, 388127), (79, 363562), (158, 181781), (289, 99382), (578, 49691), (629, 45662), (1258, 22831), (1343, 21386), (2686, 10693), (2923, 9826), (4913, 5846)]