858012421

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{6991}}^1$

素因数の和:7284

約数の個数: 16

約数和(自身を含む): 996779520

約数和(自身を除く): 138767099

約数列:

[1, 7, 89, 197, 623, 1379, 6991, 17533, 48937, 122731, 622199, 1377227, 4355393, 9640589, 122573203, 858012421]

約数ペア:

[(1, 858012421), (7, 122573203), (89, 9640589), (197, 4355393), (623, 1377227), (1379, 622199), (6991, 122731), (17533, 48937)]