155565521

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 178452960

約数和(自身を除く): 22887439

約数列:

[1, 17, 19, 41, 289, 323, 691, 697, 779, 5491, 11747, 11849, 13129, 13243, 28331, 199699, 223193, 225131, 481627, 538289, 3794281, 8187659, 9150913, 155565521]

約数ペア:

[(1, 155565521), (17, 9150913), (19, 8187659), (41, 3794281), (289, 538289), (323, 481627), (691, 225131), (697, 223193), (779, 199699), (5491, 28331), (11747, 13243), (11849, 13129)]