388565545

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{1321}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 472588560

約数和(自身を除く): 84023015

約数列:

[1, 5, 89, 445, 661, 1321, 3305, 6605, 58829, 117569, 294145, 587845, 873181, 4365905, 77713109, 388565545]

約数ペア:

[(1, 388565545), (5, 77713109), (89, 4365905), (445, 873181), (661, 587845), (1321, 294145), (3305, 117569), (6605, 58829)]