1440464

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 20

約数和(自身を含む): 2811204

約数和(自身を除く): 1370740

約数列:

[1, 2, 4, 8, 16, 197, 394, 457, 788, 914, 1576, 1828, 3152, 3656, 7312, 90029, 180058, 360116, 720232, 1440464]

約数ペア:

[(1, 1440464), (2, 720232), (4, 360116), (8, 180058), (16, 90029), (197, 7312), (394, 3656), (457, 3152), (788, 1828), (914, 1576)]