81456778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101063}}^1$

素因数の和:101109

約数の個数: 16

約数和(自身を含む): 135830016

約数和(自身を除く): 54373238

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 101063, 202126, 1313819, 2627638, 3132953, 6265906, 40728389, 81456778]

約数ペア:

[(1, 81456778), (2, 40728389), (13, 6265906), (26, 3132953), (31, 2627638), (62, 1313819), (403, 202126), (806, 101063)]