68857990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{405047}}^1$

素因数の和:405071

約数の個数: 16

約数和(自身を含む): 131235552

約数和(自身を除く): 62377562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 405047, 810094, 2025235, 4050470, 6885799, 13771598, 34428995, 68857990]

約数ペア:

[(1, 68857990), (2, 34428995), (5, 13771598), (10, 6885799), (17, 4050470), (34, 2025235), (85, 810094), (170, 405047)]