157988978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1171}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 283530240

約数和(自身を除く): 125541262

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 419, 838, 1171, 2342, 2933, 5866, 8197, 9637, 16394, 19274, 26933, 53866, 67459, 134918, 188531, 377062, 490649, 981298, 3434543, 6869086, 11284927, 22569854, 78994489, 157988978]

約数ペア:

[(1, 157988978), (2, 78994489), (7, 22569854), (14, 11284927), (23, 6869086), (46, 3434543), (161, 981298), (322, 490649), (419, 377062), (838, 188531), (1171, 134918), (2342, 67459), (2933, 53866), (5866, 26933), (8197, 19274), (9637, 16394)]