664759842

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{263167}}^1$

素因数の和:263593

約数の個数: 16

約数和(自身を含む): 1332682752

約数和(自身を除く): 667922910

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 263167, 526334, 789501, 1579002, 110793307, 221586614, 332379921, 664759842]

約数ペア:

[(1, 664759842), (2, 332379921), (3, 221586614), (6, 110793307), (421, 1579002), (842, 789501), (1263, 526334), (2526, 263167)]