289940551

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5531}}^1$

素因数の和:5670

約数の個数: 16

約数和(自身を含む): 318643200

約数和(自身を除く): 28702649

約数列:

[1, 19, 31, 89, 589, 1691, 2759, 5531, 52421, 105089, 171461, 492259, 3257759, 9352921, 15260029, 289940551]

約数ペア:

[(1, 289940551), (19, 15260029), (31, 9352921), (89, 3257759), (589, 492259), (1691, 171461), (2759, 105089), (5531, 52421)]