660147004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{38569}}^1$

素因数の和:38973

約数の個数: 24

約数和(自身を含む): 1263553200

約数和(自身を除く): 603406196

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 8558, 17116, 38569, 77138, 154276, 424259, 848518, 1697036, 15003341, 30006682, 60013364, 165036751, 330073502, 660147004]

約数ペア:

[(1, 660147004), (2, 330073502), (4, 165036751), (11, 60013364), (22, 30006682), (44, 15003341), (389, 1697036), (778, 848518), (1556, 424259), (4279, 154276), (8558, 77138), (17116, 38569)]