31660888

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7963}}^1$

素因数の和:8047

約数の個数: 32

約数和(自身を含む): 68808960

約数和(自身を除く): 37148072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 7963, 15926, 31852, 55741, 63704, 111482, 222964, 445928, 565373, 1130746, 2261492, 3957611, 4522984, 7915222, 15830444, 31660888]

約数ペア:

[(1, 31660888), (2, 15830444), (4, 7915222), (7, 4522984), (8, 3957611), (14, 2261492), (28, 1130746), (56, 565373), (71, 445928), (142, 222964), (284, 111482), (497, 63704), (568, 55741), (994, 31852), (1988, 15926), (3976, 7963)]