28891585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2251}}^1$

素因数の和:2424

約数の個数: 16

約数和(自身を含む): 36968832

約数和(自身を除く): 8077247

約数列:

[1, 5, 17, 85, 151, 755, 2251, 2567, 11255, 12835, 38267, 191335, 339901, 1699505, 5778317, 28891585]

約数ペア:

[(1, 28891585), (5, 5778317), (17, 1699505), (85, 339901), (151, 191335), (755, 38267), (2251, 12835), (2567, 11255)]