31990948

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:604

約数の個数: 36

約数和(自身を含む): 62075356

約数和(自身を除く): 30084408

約数列:

[1, 2, 4, 11, 22, 44, 121, 157, 242, 314, 421, 484, 628, 842, 1684, 1727, 3454, 4631, 6908, 9262, 18524, 18997, 37994, 50941, 66097, 75988, 101882, 132194, 203764, 264388, 727067, 1454134, 2908268, 7997737, 15995474, 31990948]

約数ペア:

[(1, 31990948), (2, 15995474), (4, 7997737), (11, 2908268), (22, 1454134), (44, 727067), (121, 264388), (157, 203764), (242, 132194), (314, 101882), (421, 75988), (484, 66097), (628, 50941), (842, 37994), (1684, 18997), (1727, 18524), (3454, 9262), (4631, 6908)]