131318512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631339}}^1$

素因数の和:631360

約数の個数: 20

約数和(自身を含む): 274001560

約数和(自身を除く): 142683048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631339, 1262678, 2525356, 5050712, 8207407, 10101424, 16414814, 32829628, 65659256, 131318512]

約数ペア:

[(1, 131318512), (2, 65659256), (4, 32829628), (8, 16414814), (13, 10101424), (16, 8207407), (26, 5050712), (52, 2525356), (104, 1262678), (208, 631339)]