28668626

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 53088000

約数和(自身を除く): 24419374

約数列:

[1, 2, 7, 14, 23, 46, 49, 79, 98, 158, 161, 322, 343, 529, 553, 686, 1058, 1106, 1127, 1817, 2254, 3634, 3703, 3871, 7406, 7742, 7889, 12719, 15778, 25438, 25921, 27097, 41791, 51842, 54194, 83582, 89033, 178066, 181447, 292537, 362894, 585074, 623231, 1246462, 2047759, 4095518, 14334313, 28668626]

約数ペア:

[(1, 28668626), (2, 14334313), (7, 4095518), (14, 2047759), (23, 1246462), (46, 623231), (49, 585074), (79, 362894), (98, 292537), (158, 181447), (161, 178066), (322, 89033), (343, 83582), (529, 54194), (553, 51842), (686, 41791), (1058, 27097), (1106, 25921), (1127, 25438), (1817, 15778), (2254, 12719), (3634, 7889), (3703, 7742), (3871, 7406)]