1648988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{3407}}^1$

素因数の和:3433

約数の個数: 18

約数和(自身を含む): 3172848

約数和(自身を除く): 1523860

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 3407, 6814, 13628, 37477, 74954, 149908, 412247, 824494, 1648988]

約数ペア:

[(1, 1648988), (2, 824494), (4, 412247), (11, 149908), (22, 74954), (44, 37477), (121, 13628), (242, 6814), (484, 3407)]