1681221908

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{1342829}}^1$

素因数の和:1343146

約数の個数: 12

約数和(自身を含む): 2951540340

約数和(自身を除く): 1270318432

約数列:

[1, 2, 4, 313, 626, 1252, 1342829, 2685658, 5371316, 420305477, 840610954, 1681221908]

約数ペア:

[(1, 1681221908), (2, 840610954), (4, 420305477), (313, 5371316), (626, 2685658), (1252, 1342829)]