2001666490

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{323371}}^1$

素因数の和:323997

約数の個数: 16

約数和(自身を含む): 3608831520

約数和(自身を除く): 1607165030

約数列:

[1, 2, 5, 10, 619, 1238, 3095, 6190, 323371, 646742, 1616855, 3233710, 200166649, 400333298, 1000833245, 2001666490]

約数ペア:

[(1, 2001666490), (2, 1000833245), (5, 400333298), (10, 200166649), (619, 3233710), (1238, 1616855), (3095, 646742), (6190, 323371)]