31615915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3089}}^1$

素因数の和:3206

約数の個数: 16

約数和(自身を含む): 40046400

約数和(自身を除く): 8430485

約数列:

[1, 5, 23, 89, 115, 445, 2047, 3089, 10235, 15445, 71047, 274921, 355235, 1374605, 6323183, 31615915]

約数ペア:

[(1, 31615915), (5, 6323183), (23, 1374605), (89, 355235), (115, 274921), (445, 71047), (2047, 15445), (3089, 10235)]