1557894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:19991

約数の個数: 16

約数和(自身を含む): 3355632

約数和(自身を除く): 1797738

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 19973, 39946, 59919, 119838, 259649, 519298, 778947, 1557894]

約数ペア:

[(1, 1557894), (2, 778947), (3, 519298), (6, 259649), (13, 119838), (26, 59919), (39, 39946), (78, 19973)]