201458978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{967}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 361304064

約数和(自身を除く): 159845086

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 647, 967, 1294, 1934, 4529, 6769, 9058, 13538, 14881, 22241, 29762, 44482, 104167, 155687, 208334, 311374, 625649, 1251298, 4379543, 8759086, 14389927, 28779854, 100729489, 201458978]

約数ペア:

[(1, 201458978), (2, 100729489), (7, 28779854), (14, 14389927), (23, 8759086), (46, 4379543), (161, 1251298), (322, 625649), (647, 311374), (967, 208334), (1294, 155687), (1934, 104167), (4529, 44482), (6769, 29762), (9058, 22241), (13538, 14881)]