320475721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{19991}}^1$

素因数の和:20072

約数の個数: 16

約数和(自身を含む): 362734848

約数和(自身を除く): 42259127

約数列:

[1, 17, 23, 41, 391, 697, 943, 16031, 19991, 339847, 459793, 819631, 7816481, 13933727, 18851513, 320475721]

約数ペア:

[(1, 320475721), (17, 18851513), (23, 13933727), (41, 7816481), (391, 819631), (697, 459793), (943, 339847), (16031, 19991)]