28125713

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 8646127

約数列:

[1, 7, 11, 41, 59, 77, 151, 287, 413, 451, 649, 1057, 1661, 2419, 3157, 4543, 6191, 8909, 11627, 16933, 26609, 43337, 62363, 68101, 97999, 186263, 365269, 476707, 685993, 2556883, 4017959, 28125713]

約数ペア:

[(1, 28125713), (7, 4017959), (11, 2556883), (41, 685993), (59, 476707), (77, 365269), (151, 186263), (287, 97999), (413, 68101), (451, 62363), (649, 43337), (1057, 26609), (1661, 16933), (2419, 11627), (3157, 8909), (4543, 6191)]