1247996945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1129409}}^1$

素因数の和:1129444

約数の個数: 16

約数和(自身を含む): 1707667920

約数和(自身を除く): 459670975

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1129409, 5647045, 14682317, 19199953, 73411585, 95999765, 249599389, 1247996945]

約数ペア:

[(1, 1247996945), (5, 249599389), (13, 95999765), (17, 73411585), (65, 19199953), (85, 14682317), (221, 5647045), (1105, 1129409)]