128032976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258131}}^1$

素因数の和:258170

約数の個数: 20

約数和(自身を含む): 256066944

約数和(自身を除く): 128033968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258131, 516262, 1032524, 2065048, 4130096, 8002061, 16004122, 32008244, 64016488, 128032976]

約数ペア:

[(1, 128032976), (2, 64016488), (4, 32008244), (8, 16004122), (16, 8002061), (31, 4130096), (62, 2065048), (124, 1032524), (248, 516262), (496, 258131)]