400782646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{677}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 667802880

約数和(自身を除く): 267020234

約数列:

[1, 2, 11, 22, 71, 142, 379, 677, 758, 781, 1354, 1562, 4169, 7447, 8338, 14894, 26909, 48067, 53818, 96134, 256583, 295999, 513166, 528737, 591998, 1057474, 2822413, 5644826, 18217393, 36434786, 200391323, 400782646]

約数ペア:

[(1, 400782646), (2, 200391323), (11, 36434786), (22, 18217393), (71, 5644826), (142, 2822413), (379, 1057474), (677, 591998), (758, 528737), (781, 513166), (1354, 295999), (1562, 256583), (4169, 96134), (7447, 53818), (8338, 48067), (14894, 26909)]