1985015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 2552256

約数和(自身を除く): 567241

約数列:

[1, 5, 23, 41, 115, 205, 421, 943, 2105, 4715, 9683, 17261, 48415, 86305, 397003, 1985015]

約数ペア:

[(1, 1985015), (5, 397003), (23, 86305), (41, 48415), (115, 17261), (205, 9683), (421, 4715), (943, 2105)]