31278396

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{15991}}^1$

素因数の和:16161

約数の個数: 24

約数和(自身を含む): 73435264

約数和(自身を除く): 42156868

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 15991, 31982, 47973, 63964, 95946, 191892, 2606533, 5213066, 7819599, 10426132, 15639198, 31278396]

約数ペア:

[(1, 31278396), (2, 15639198), (3, 10426132), (4, 7819599), (6, 5213066), (12, 2606533), (163, 191892), (326, 95946), (489, 63964), (652, 47973), (978, 31982), (1956, 15991)]