156639821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{3137}}^1$

素因数の和:3340

約数の個数: 16

約数和(自身を含む): 177133824

約数和(自身を除く): 20494003

約数列:

[1, 13, 23, 167, 299, 2171, 3137, 3841, 40781, 49933, 72151, 523879, 937963, 6810427, 12049217, 156639821]

約数ペア:

[(1, 156639821), (13, 12049217), (23, 6810427), (167, 937963), (299, 523879), (2171, 72151), (3137, 49933), (3841, 40781)]