26981507

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 33242400

約数和(自身を除く): 6260893

約数列:

[1, 7, 23, 49, 89, 161, 269, 623, 1127, 1883, 2047, 4361, 6187, 13181, 14329, 23941, 43309, 100303, 167587, 303163, 550643, 1173109, 3854501, 26981507]

約数ペア:

[(1, 26981507), (7, 3854501), (23, 1173109), (49, 550643), (89, 303163), (161, 167587), (269, 100303), (623, 43309), (1127, 23941), (1883, 14329), (2047, 13181), (4361, 6187)]