664261676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{412073}}^1$

素因数の和:412121

約数の個数: 24

約数和(自身を含む): 1292264064

約数和(自身を除く): 628002388

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 412073, 824146, 1648292, 5356949, 10713898, 12774263, 21427796, 25548526, 51097052, 166065419, 332130838, 664261676]

約数ペア:

[(1, 664261676), (2, 332130838), (4, 166065419), (13, 51097052), (26, 25548526), (31, 21427796), (52, 12774263), (62, 10713898), (124, 5356949), (403, 1648292), (806, 824146), (1612, 412073)]