222393881

素因数分解:

${\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^2$

素因数の和:349

約数の個数: 18

約数和(自身を含む): 243786858

約数和(自身を除く): 21392977

約数列:

[1, 17, 41, 137, 289, 697, 2329, 5617, 11849, 18769, 39593, 95489, 319073, 769529, 1623313, 5424241, 13081993, 222393881]

約数ペア:

[(1, 222393881), (17, 13081993), (41, 5424241), (137, 1623313), (289, 769529), (697, 319073), (2329, 95489), (5617, 39593), (11849, 18769)]