128519167

素因数分解:

$7^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 161861760

約数和(自身を除く): 33342593

約数列:

[1, 7, 17, 37, 101, 119, 259, 289, 629, 707, 1717, 2023, 3737, 4403, 4913, 10693, 12019, 26159, 29189, 34391, 63529, 74851, 181781, 204323, 444703, 496213, 1079993, 1272467, 3473491, 7559951, 18359881, 128519167]

約数ペア:

[(1, 128519167), (7, 18359881), (17, 7559951), (37, 3473491), (101, 1272467), (119, 1079993), (259, 496213), (289, 444703), (629, 204323), (707, 181781), (1717, 74851), (2023, 63529), (3737, 34391), (4403, 29189), (4913, 26159), (10693, 12019)]