67986121

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 83980800

約数和(自身を除く): 15994679

約数列:

[1, 7, 29, 53, 71, 89, 203, 371, 497, 623, 1537, 2059, 2581, 3763, 4717, 6319, 10759, 14413, 18067, 26341, 33019, 44233, 109127, 136793, 183251, 334907, 763889, 957551, 1282757, 2344349, 9712303, 67986121]

約数ペア:

[(1, 67986121), (7, 9712303), (29, 2344349), (53, 1282757), (71, 957551), (89, 763889), (203, 334907), (371, 183251), (497, 136793), (623, 109127), (1537, 44233), (2059, 33019), (2581, 26341), (3763, 18067), (4717, 14413), (6319, 10759)]