64988894

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{1489}}^1$

素因数の和:1787

約数の個数: 16

約数和(自身を含む): 98876400

約数和(自身を除く): 33887506

約数列:

[1, 2, 139, 157, 278, 314, 1489, 2978, 21823, 43646, 206971, 233773, 413942, 467546, 32494447, 64988894]

約数ペア:

[(1, 64988894), (2, 32494447), (139, 467546), (157, 413942), (278, 233773), (314, 206971), (1489, 43646), (2978, 21823)]