78709393

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 97320960

約数和(自身を除く): 18611567

約数列:

[1, 7, 29, 43, 71, 127, 203, 301, 497, 889, 1247, 2059, 3053, 3683, 5461, 8729, 9017, 14413, 21371, 25781, 38227, 63119, 88537, 158369, 261493, 387731, 619759, 1108583, 1830451, 2714117, 11244199, 78709393]

約数ペア:

[(1, 78709393), (7, 11244199), (29, 2714117), (43, 1830451), (71, 1108583), (127, 619759), (203, 387731), (301, 261493), (497, 158369), (889, 88537), (1247, 63119), (2059, 38227), (3053, 25781), (3683, 21371), (5461, 14413), (8729, 9017)]