71640628

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{18637}}^1$

素因数の和:18703

約数の個数: 18

約数和(自身を含む): 129552738

約数和(自身を除く): 57912110

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 18637, 37274, 74548, 577747, 1155494, 2310988, 17910157, 35820314, 71640628]

約数ペア:

[(1, 71640628), (2, 35820314), (4, 17910157), (31, 2310988), (62, 1155494), (124, 577747), (961, 74548), (1922, 37274), (3844, 18637)]