177115939

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 254822400

約数和(自身を除く): 77706461

約数列:

[1, 7, 11, 13, 23, 49, 77, 91, 143, 157, 161, 253, 299, 343, 539, 637, 1001, 1099, 1127, 1727, 1771, 2041, 2093, 3289, 3611, 3773, 4459, 7007, 7693, 7889, 12089, 12397, 14287, 14651, 22451, 23023, 25277, 39721, 46943, 49049, 53851, 84623, 86779, 100009, 102557, 157157, 161161, 176939, 278047, 328601, 516373, 592361, 700063, 1100099, 1128127, 1238573, 1946329, 2300207, 3614611, 7700693, 13624303, 16101449, 25302277, 177115939]

約数ペア:

[(1, 177115939), (7, 25302277), (11, 16101449), (13, 13624303), (23, 7700693), (49, 3614611), (77, 2300207), (91, 1946329), (143, 1238573), (157, 1128127), (161, 1100099), (253, 700063), (299, 592361), (343, 516373), (539, 328601), (637, 278047), (1001, 176939), (1099, 161161), (1127, 157157), (1727, 102557), (1771, 100009), (2041, 86779), (2093, 84623), (3289, 53851), (3611, 49049), (3773, 46943), (4459, 39721), (7007, 25277), (7693, 23023), (7889, 22451), (12089, 14651), (12397, 14287)]