208031705

素因数分解:

$5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{2447}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 291351168

約数和(自身を除く): 83319463

約数列:

[1, 5, 7, 35, 49, 245, 347, 1735, 2429, 2447, 12145, 12235, 17003, 17129, 85015, 85645, 119903, 599515, 849109, 4245545, 5943763, 29718815, 41606341, 208031705]

約数ペア:

[(1, 208031705), (5, 41606341), (7, 29718815), (35, 5943763), (49, 4245545), (245, 849109), (347, 599515), (1735, 119903), (2429, 85645), (2447, 85015), (12145, 17129), (12235, 17003)]