217082005

素因数分解:

$5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{4639}}^1$

素因数の和:4849

約数の個数: 24

約数和(自身を含む): 304680960

約数和(自身を除く): 87598955

約数列:

[1, 5, 7, 35, 49, 191, 245, 955, 1337, 4639, 6685, 9359, 23195, 32473, 46795, 162365, 227311, 886049, 1136555, 4430245, 6202343, 31011715, 43416401, 217082005]

約数ペア:

[(1, 217082005), (5, 43416401), (7, 31011715), (35, 6202343), (49, 4430245), (191, 1136555), (245, 886049), (955, 227311), (1337, 162365), (4639, 46795), (6685, 32473), (9359, 23195)]