1242821090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17754587}}^1$

素因数の和:17754601

約数の個数: 16

約数和(自身を含む): 2556660672

約数和(自身を除く): 1313839582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 17754587, 35509174, 88772935, 124282109, 177545870, 248564218, 621410545, 1242821090]

約数ペア:

[(1, 1242821090), (2, 621410545), (5, 248564218), (7, 177545870), (10, 124282109), (14, 88772935), (35, 35509174), (70, 17754587)]