28111570

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 51953328

約数和(自身を除く): 23841758

約数列:

[1, 2, 5, 10, 73, 97, 146, 194, 365, 397, 485, 730, 794, 970, 1985, 3970, 7081, 14162, 28981, 35405, 38509, 57962, 70810, 77018, 144905, 192545, 289810, 385090, 2811157, 5622314, 14055785, 28111570]

約数ペア:

[(1, 28111570), (2, 14055785), (5, 5622314), (10, 2811157), (73, 385090), (97, 289810), (146, 192545), (194, 144905), (365, 77018), (397, 70810), (485, 57962), (730, 38509), (794, 35405), (970, 28981), (1985, 14162), (3970, 7081)]