31388810512

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{6981497}}^1$

素因数の和:6981786

約数の個数: 20

約数和(自身を含む): 61032255516

約数和(自身を除く): 29643445004

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 6981497, 13962994, 27925988, 55851976, 111703952, 1961800657, 3923601314, 7847202628, 15694405256, 31388810512]

約数ペア:

[(1, 31388810512), (2, 15694405256), (4, 7847202628), (8, 3923601314), (16, 1961800657), (281, 111703952), (562, 55851976), (1124, 27925988), (2248, 13962994), (4496, 6981497)]