17952221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 21845376

約数和(自身を除く): 3893155

約数列:

[1, 7, 17, 119, 257, 587, 1799, 4109, 4369, 9979, 30583, 69853, 150859, 1056013, 2564603, 17952221]

約数ペア:

[(1, 17952221), (7, 2564603), (17, 1056013), (119, 150859), (257, 69853), (587, 30583), (1799, 9979), (4109, 4369)]