128776976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{259631}}^1$

素因数の和:259670

約数の個数: 20

約数和(自身を含む): 257554944

約数和(自身を除く): 128777968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 259631, 519262, 1038524, 2077048, 4154096, 8048561, 16097122, 32194244, 64388488, 128776976]

約数ペア:

[(1, 128776976), (2, 64388488), (4, 32194244), (8, 16097122), (16, 8048561), (31, 4154096), (62, 2077048), (124, 1038524), (248, 519262), (496, 259631)]