80531521

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 100270080

約数和(自身を除く): 19738559

約数列:

[1, 7, 29, 31, 67, 191, 203, 217, 469, 899, 1337, 1943, 2077, 5539, 5921, 6293, 12797, 13601, 14539, 38773, 41447, 60233, 89579, 171709, 371113, 396707, 421631, 1201963, 2597791, 2776949, 11504503, 80531521]

約数ペア:

[(1, 80531521), (7, 11504503), (29, 2776949), (31, 2597791), (67, 1201963), (191, 421631), (203, 396707), (217, 371113), (469, 171709), (899, 89579), (1337, 60233), (1943, 41447), (2077, 38773), (5539, 14539), (5921, 13601), (6293, 12797)]