170717990

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{80909}}^1$

素因数の和:81127

約数の個数: 16

約数和(自身を含む): 308752560

約数和(自身を除く): 138034570

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 80909, 161818, 404545, 809090, 17071799, 34143598, 85358995, 170717990]

約数ペア:

[(1, 170717990), (2, 85358995), (5, 34143598), (10, 17071799), (211, 809090), (422, 404545), (1055, 161818), (2110, 80909)]