1220005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 1603584

約数和(自身を除く): 383579

約数列:

[1, 5, 17, 31, 85, 155, 463, 527, 2315, 2635, 7871, 14353, 39355, 71765, 244001, 1220005]

約数ペア:

[(1, 1220005), (5, 244001), (17, 71765), (31, 39355), (85, 14353), (155, 7871), (463, 2635), (527, 2315)]