31045145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 11463655

約数列:

[1, 5, 17, 19, 47, 85, 95, 235, 323, 409, 799, 893, 1615, 2045, 3995, 4465, 6953, 7771, 15181, 19223, 34765, 38855, 75905, 96115, 132107, 326791, 365237, 660535, 1633955, 1826185, 6209029, 31045145]

約数ペア:

[(1, 31045145), (5, 6209029), (17, 1826185), (19, 1633955), (47, 660535), (85, 365237), (95, 326791), (235, 132107), (323, 96115), (409, 75905), (799, 38855), (893, 34765), (1615, 19223), (2045, 15181), (3995, 7771), (4465, 6953)]