129768976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{261631}}^1$

素因数の和:261670

約数の個数: 20

約数和(自身を含む): 259538944

約数和(自身を除く): 129769968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 261631, 523262, 1046524, 2093048, 4186096, 8110561, 16221122, 32442244, 64884488, 129768976]

約数ペア:

[(1, 129768976), (2, 64884488), (4, 32442244), (8, 16221122), (16, 8110561), (31, 4186096), (62, 2093048), (124, 1046524), (248, 523262), (496, 261631)]