72170389

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1409}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 80403840

約数和(自身を除く): 8233451

約数列:

[1, 17, 23, 131, 391, 1409, 2227, 3013, 23953, 32407, 51221, 184579, 550919, 3137843, 4245317, 72170389]

約数ペア:

[(1, 72170389), (17, 4245317), (23, 3137843), (131, 550919), (391, 184579), (1409, 51221), (2227, 32407), (3013, 23953)]