1285014785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{20347}}^1$

素因数の和:21112

約数の個数: 16

約数和(自身を含む): 1635002496

約数和(自身を除く): 349987711

約数列:

[1, 5, 17, 85, 743, 3715, 12631, 20347, 63155, 101735, 345899, 1729495, 15117821, 75589105, 257002957, 1285014785]

約数ペア:

[(1, 1285014785), (5, 257002957), (17, 75589105), (85, 15117821), (743, 1729495), (3715, 345899), (12631, 101735), (20347, 63155)]