397883418

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{506213}}^1$

素因数の和:506349

約数の個数: 16

約数和(自身を含む): 801842976

約数和(自身を除く): 403959558

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 506213, 1012426, 1518639, 3037278, 66313903, 132627806, 198941709, 397883418]

約数ペア:

[(1, 397883418), (2, 198941709), (3, 132627806), (6, 66313903), (131, 3037278), (262, 1518639), (393, 1012426), (786, 506213)]