31371568

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{32143}}^1$

素因数の和:32212

約数の個数: 20

約数和(自身を含む): 61780768

約数和(自身を除く): 30409200

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 32143, 64286, 128572, 257144, 514288, 1960723, 3921446, 7842892, 15685784, 31371568]

約数ペア:

[(1, 31371568), (2, 15685784), (4, 7842892), (8, 3921446), (16, 1960723), (61, 514288), (122, 257144), (244, 128572), (488, 64286), (976, 32143)]