663485990

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{397297}}^1$

素因数の和:397471

約数の個数: 16

約数和(自身を含む): 1201429152

約数和(自身を除く): 537943162

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 397297, 794594, 1986485, 3972970, 66348599, 132697198, 331742995, 663485990]

約数ペア:

[(1, 663485990), (2, 331742995), (5, 132697198), (10, 66348599), (167, 3972970), (334, 1986485), (835, 794594), (1670, 397297)]