406420064

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{208207}}^1$

素因数の和:208278

約数の個数: 24

約数和(自身を含む): 813260448

約数和(自身を除く): 406840384

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 208207, 416414, 832828, 1665656, 3331312, 6662624, 12700627, 25401254, 50802508, 101605016, 203210032, 406420064]

約数ペア:

[(1, 406420064), (2, 203210032), (4, 101605016), (8, 50802508), (16, 25401254), (32, 12700627), (61, 6662624), (122, 3331312), (244, 1665656), (488, 832828), (976, 416414), (1952, 208207)]