28955108

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 65177280

約数和(自身を除く): 36222172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 169, 182, 203, 211, 338, 364, 377, 406, 422, 676, 754, 812, 844, 1183, 1477, 1508, 2366, 2639, 2743, 2954, 4732, 4901, 5278, 5486, 5908, 6119, 9802, 10556, 10972, 12238, 19201, 19604, 24476, 34307, 35659, 38402, 42833, 68614, 71318, 76804, 79547, 85666, 137228, 142636, 159094, 171332, 249613, 318188, 499226, 556829, 998452, 1034111, 1113658, 2068222, 2227316, 4136444, 7238777, 14477554, 28955108]

約数ペア:

[(1, 28955108), (2, 14477554), (4, 7238777), (7, 4136444), (13, 2227316), (14, 2068222), (26, 1113658), (28, 1034111), (29, 998452), (52, 556829), (58, 499226), (91, 318188), (116, 249613), (169, 171332), (182, 159094), (203, 142636), (211, 137228), (338, 85666), (364, 79547), (377, 76804), (406, 71318), (422, 68614), (676, 42833), (754, 38402), (812, 35659), (844, 34307), (1183, 24476), (1477, 19604), (1508, 19201), (2366, 12238), (2639, 10972), (2743, 10556), (2954, 9802), (4732, 6119), (4901, 5908), (5278, 5486)]