79991681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 107682048

約数和(自身を除く): 27690367

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 371, 583, 901, 1153, 1309, 4081, 6307, 8071, 9911, 12683, 19601, 61109, 69377, 88781, 137207, 215611, 427763, 672199, 1038853, 1509277, 4705393, 7271971, 11427383, 79991681]

約数ペア:

[(1, 79991681), (7, 11427383), (11, 7271971), (17, 4705393), (53, 1509277), (77, 1038853), (119, 672199), (187, 427763), (371, 215611), (583, 137207), (901, 88781), (1153, 69377), (1309, 61109), (4081, 19601), (6307, 12683), (8071, 9911)]