401045659

素因数分解:

$7^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 473934240

約数和(自身を除く): 72888581

約数列:

[1, 7, 61, 89, 173, 427, 623, 1211, 3721, 5429, 10553, 15397, 26047, 38003, 73871, 107779, 331169, 643733, 939217, 2318183, 4506131, 6574519, 57292237, 401045659]

約数ペア:

[(1, 401045659), (7, 57292237), (61, 6574519), (89, 4506131), (173, 2318183), (427, 939217), (623, 643733), (1211, 331169), (3721, 107779), (5429, 73871), (10553, 38003), (15397, 26047)]