391352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 816480

約数和(自身を除く): 425128

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 71, 104, 106, 142, 212, 284, 424, 568, 689, 923, 1378, 1846, 2756, 3692, 3763, 5512, 7384, 7526, 15052, 30104, 48919, 97838, 195676, 391352]

約数ペア:

[(1, 391352), (2, 195676), (4, 97838), (8, 48919), (13, 30104), (26, 15052), (52, 7526), (53, 7384), (71, 5512), (104, 3763), (106, 3692), (142, 2756), (212, 1846), (284, 1378), (424, 923), (568, 689)]