921328

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:744

約数の個数: 20

約数和(自身を含む): 1807920

約数和(自身を除く): 886592

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 647, 712, 1294, 1424, 2588, 5176, 10352, 57583, 115166, 230332, 460664, 921328]

約数ペア:

[(1, 921328), (2, 460664), (4, 230332), (8, 115166), (16, 57583), (89, 10352), (178, 5176), (356, 2588), (647, 1424), (712, 1294)]