211972610

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{52861}}^1$

素因数の和:53269

約数の個数: 16

約数和(自身を含む): 382509432

約数和(自身を除く): 170536822

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 52861, 105722, 264305, 528610, 21197261, 42394522, 105986305, 211972610]

約数ペア:

[(1, 211972610), (2, 105986305), (5, 42394522), (10, 21197261), (401, 528610), (802, 264305), (2005, 105722), (4010, 52861)]