647803676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{3109}}^1\times {\mathrm{4007}}^1$

素因数の和:7133

約数の個数: 24

約数和(自身を含む): 1221558240

約数和(自身を除く): 573754564

約数列:

[1, 2, 4, 13, 26, 52, 3109, 4007, 6218, 8014, 12436, 16028, 40417, 52091, 80834, 104182, 161668, 208364, 12457763, 24915526, 49831052, 161950919, 323901838, 647803676]

約数ペア:

[(1, 647803676), (2, 323901838), (4, 161950919), (13, 49831052), (26, 24915526), (52, 12457763), (3109, 208364), (4007, 161668), (6218, 104182), (8014, 80834), (12436, 52091), (16028, 40417)]