91990756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 193687200

約数和(自身を除く): 101696444

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 89, 139, 143, 169, 178, 278, 286, 338, 356, 556, 572, 676, 979, 1157, 1529, 1807, 1859, 1958, 2314, 3058, 3614, 3718, 3916, 4628, 6116, 7228, 7436, 12371, 12727, 15041, 19877, 23491, 24742, 25454, 30082, 39754, 46982, 49484, 50908, 60164, 79508, 93964, 136081, 160823, 165451, 258401, 272162, 321646, 330902, 516802, 544324, 643292, 661804, 1033604, 1769053, 2090699, 3538106, 4181398, 7076212, 8362796, 22997689, 45995378, 91990756]

約数ペア:

[(1, 91990756), (2, 45995378), (4, 22997689), (11, 8362796), (13, 7076212), (22, 4181398), (26, 3538106), (44, 2090699), (52, 1769053), (89, 1033604), (139, 661804), (143, 643292), (169, 544324), (178, 516802), (278, 330902), (286, 321646), (338, 272162), (356, 258401), (556, 165451), (572, 160823), (676, 136081), (979, 93964), (1157, 79508), (1529, 60164), (1807, 50908), (1859, 49484), (1958, 46982), (2314, 39754), (3058, 30082), (3614, 25454), (3718, 24742), (3916, 23491), (4628, 19877), (6116, 15041), (7228, 12727), (7436, 12371)]