1997988

素因数分解:

$2^2\times 3^1\times {\mathrm{167}}^1\times {\mathrm{997}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 4694592

約数和(自身を除く): 2696604

約数列:

[1, 2, 3, 4, 6, 12, 167, 334, 501, 668, 997, 1002, 1994, 2004, 2991, 3988, 5982, 11964, 166499, 332998, 499497, 665996, 998994, 1997988]

約数ペア:

[(1, 1997988), (2, 998994), (3, 665996), (4, 499497), (6, 332998), (12, 166499), (167, 11964), (334, 5982), (501, 3988), (668, 2991), (997, 2004), (1002, 1994)]