31528784

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3163}}^1$

素因数の和:3267

約数の個数: 40

約数和(自身を含む): 70620480

約数和(自身を除く): 39091696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 3163, 4984, 6326, 9968, 12652, 22141, 25304, 44282, 50608, 88564, 177128, 281507, 354256, 563014, 1126028, 1970549, 2252056, 3941098, 4504112, 7882196, 15764392, 31528784]

約数ペア:

[(1, 31528784), (2, 15764392), (4, 7882196), (7, 4504112), (8, 3941098), (14, 2252056), (16, 1970549), (28, 1126028), (56, 563014), (89, 354256), (112, 281507), (178, 177128), (356, 88564), (623, 50608), (712, 44282), (1246, 25304), (1424, 22141), (2492, 12652), (3163, 9968), (4984, 6326)]