82780154

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1\times {\mathrm{571}}^1$

素因数の和:1165

約数の個数: 16

約数和(自身を含む): 125405280

約数和(自身を除く): 42625126

約数列:

[1, 2, 173, 346, 419, 571, 838, 1142, 72487, 98783, 144974, 197566, 239249, 478498, 41390077, 82780154]

約数ペア:

[(1, 82780154), (2, 41390077), (173, 478498), (346, 239249), (419, 197566), (571, 144974), (838, 98783), (1142, 72487)]