77681392

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{112909}}^1$

素因数の和:112960

約数の個数: 20

約数和(自身を含む): 154009240

約数和(自身を除く): 76327848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 112909, 225818, 451636, 903272, 1806544, 4855087, 9710174, 19420348, 38840696, 77681392]

約数ペア:

[(1, 77681392), (2, 38840696), (4, 19420348), (8, 9710174), (16, 4855087), (43, 1806544), (86, 903272), (172, 451636), (344, 225818), (688, 112909)]