127777904

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{50867}}^1$

素因数の和:51032

約数の個数: 20

約数和(自身を含む): 249151464

約数和(自身を除く): 121373560

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 50867, 101734, 203468, 406936, 813872, 7986119, 15972238, 31944476, 63888952, 127777904]

約数ペア:

[(1, 127777904), (2, 63888952), (4, 31944476), (8, 15972238), (16, 7986119), (157, 813872), (314, 406936), (628, 203468), (1256, 101734), (2512, 50867)]