641342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1$

素因数の和:1483

約数の個数: 16

約数和(自身を含む): 1097712

約数和(自身を除く): 456370

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 1451, 2902, 18863, 24667, 37726, 49334, 320671, 641342]

約数ペア:

[(1, 641342), (2, 320671), (13, 49334), (17, 37726), (26, 24667), (34, 18863), (221, 2902), (442, 1451)]