1398878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 16

約数和(自身を含む): 2280096

約数和(自身を除く): 881218

約数列:

[1, 2, 13, 26, 173, 311, 346, 622, 2249, 4043, 4498, 8086, 53803, 107606, 699439, 1398878]

約数ペア:

[(1, 1398878), (2, 699439), (13, 107606), (26, 53803), (173, 8086), (311, 4498), (346, 4043), (622, 2249)]