156720656

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{38113}}^1$

素因数の和:38378

約数の個数: 20

約数和(自身を含む): 304835772

約数和(自身を除く): 148115116

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 38113, 76226, 152452, 304904, 609808, 9795041, 19590082, 39180164, 78360328, 156720656]

約数ペア:

[(1, 156720656), (2, 78360328), (4, 39180164), (8, 19590082), (16, 9795041), (257, 609808), (514, 304904), (1028, 152452), (2056, 76226), (4112, 38113)]