1215721796

素因数分解:

$2^2\times {\mathrm{419}}^1\times {\mathrm{725371}}^1$

素因数の和:725794

約数の個数: 12

約数和(自身を含む): 2132593680

約数和(自身を除く): 916871884

約数列:

[1, 2, 4, 419, 838, 1676, 725371, 1450742, 2901484, 303930449, 607860898, 1215721796]

約数ペア:

[(1, 1215721796), (2, 607860898), (4, 303930449), (419, 2901484), (838, 1450742), (1676, 725371)]