664972418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{44647}}^1$

素因数の和:45337

約数の個数: 16

約数和(自身を含む): 1089768384

約数和(自身を除く): 424795966

約数列:

[1, 2, 11, 22, 677, 1354, 7447, 14894, 44647, 89294, 491117, 982234, 30226019, 60452038, 332486209, 664972418]

約数ペア:

[(1, 664972418), (2, 332486209), (11, 60452038), (22, 30226019), (677, 982234), (1354, 491117), (7447, 89294), (14894, 44647)]