1640771666

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{25447}}^1$

素因数の和:25865

約数の個数: 16

約数和(自身を含む): 2493089664

約数和(自身を除く): 852317998

約数列:

[1, 2, 103, 206, 313, 626, 25447, 32239, 50894, 64478, 2621041, 5242082, 7964911, 15929822, 820385833, 1640771666]

約数ペア:

[(1, 1640771666), (2, 820385833), (103, 15929822), (206, 7964911), (313, 5242082), (626, 2621041), (25447, 64478), (32239, 50894)]