51507664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247633}}^1$

素因数の和:247654

約数の個数: 20

約数和(自身を含む): 107473156

約数和(自身を除く): 55965492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247633, 495266, 990532, 1981064, 3219229, 3962128, 6438458, 12876916, 25753832, 51507664]

約数ペア:

[(1, 51507664), (2, 25753832), (4, 12876916), (8, 6438458), (13, 3962128), (16, 3219229), (26, 1981064), (52, 990532), (104, 495266), (208, 247633)]