128663158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 213696000

約数和(自身を除く): 85032842

約数列:

[1, 2, 13, 26, 47, 94, 211, 422, 499, 611, 998, 1222, 2743, 5486, 6487, 9917, 12974, 19834, 23453, 46906, 105289, 128921, 210578, 257842, 304889, 609778, 1368757, 2737514, 4948583, 9897166, 64331579, 128663158]

約数ペア:

[(1, 128663158), (2, 64331579), (13, 9897166), (26, 4948583), (47, 2737514), (94, 1368757), (211, 609778), (422, 304889), (499, 257842), (611, 210578), (998, 128921), (1222, 105289), (2743, 46906), (5486, 23453), (6487, 19834), (9917, 12974)]