168800000072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1918181819}}^1$

素因数の和:1918181836

約数の個数: 16

約数和(自身を含む): 345272727600

約数和(自身を除く): 176472727528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1918181819, 3836363638, 7672727276, 15345454552, 21100000009, 42200000018, 84400000036, 168800000072]

約数ペア:

[(1, 168800000072), (2, 84400000036), (4, 42200000018), (8, 21100000009), (11, 15345454552), (22, 7672727276), (44, 3836363638), (88, 1918181819)]