26729290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 55177344

約数和(自身を除く): 28448054

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 907, 1814, 2105, 2947, 4210, 4535, 5894, 6349, 9070, 12698, 14735, 29470, 31745, 63490, 381847, 763694, 1909235, 2672929, 3818470, 5345858, 13364645, 26729290]

約数ペア:

[(1, 26729290), (2, 13364645), (5, 5345858), (7, 3818470), (10, 2672929), (14, 1909235), (35, 763694), (70, 381847), (421, 63490), (842, 31745), (907, 29470), (1814, 14735), (2105, 12698), (2947, 9070), (4210, 6349), (4535, 5894)]