31038928

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 30832112

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 178, 284, 307, 356, 568, 614, 712, 1136, 1228, 1424, 2456, 4912, 6319, 12638, 21797, 25276, 27323, 43594, 50552, 54646, 87188, 101104, 109292, 174376, 218584, 348752, 437168, 1939933, 3879866, 7759732, 15519464, 31038928]

約数ペア:

[(1, 31038928), (2, 15519464), (4, 7759732), (8, 3879866), (16, 1939933), (71, 437168), (89, 348752), (142, 218584), (178, 174376), (284, 109292), (307, 101104), (356, 87188), (568, 54646), (614, 50552), (712, 43594), (1136, 27323), (1228, 25276), (1424, 21797), (2456, 12638), (4912, 6319)]