28605215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{991}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 35997696

約数和(自身を除く): 7392481

約数列:

[1, 5, 23, 115, 251, 991, 1255, 4955, 5773, 22793, 28865, 113965, 248741, 1243705, 5721043, 28605215]

約数ペア:

[(1, 28605215), (5, 5721043), (23, 1243705), (115, 248741), (251, 113965), (991, 28865), (1255, 22793), (4955, 5773)]