261604226

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{24967}}^1$

素因数の和:25026

約数の個数: 24

約数和(自身を含む): 438637824

約数和(自身を除く): 177033598

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 24967, 49934, 324571, 649142, 773977, 1547954, 4219423, 8438846, 10061701, 20123402, 130802113, 261604226]

約数ペア:

[(1, 261604226), (2, 130802113), (13, 20123402), (26, 10061701), (31, 8438846), (62, 4219423), (169, 1547954), (338, 773977), (403, 649142), (806, 324571), (5239, 49934), (10478, 24967)]