31484425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 49818240

約数和(自身を除く): 18333815

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 323, 425, 475, 557, 595, 665, 1615, 2261, 2785, 2975, 3325, 3899, 8075, 9469, 10583, 11305, 13925, 19495, 47345, 52915, 56525, 66283, 74081, 97475, 179911, 236725, 264575, 331415, 370405, 899555, 1259377, 1657075, 1852025, 4497775, 6296885, 31484425]

約数ペア:

[(1, 31484425), (5, 6296885), (7, 4497775), (17, 1852025), (19, 1657075), (25, 1259377), (35, 899555), (85, 370405), (95, 331415), (119, 264575), (133, 236725), (175, 179911), (323, 97475), (425, 74081), (475, 66283), (557, 56525), (595, 52915), (665, 47345), (1615, 19495), (2261, 13925), (2785, 11305), (2975, 10583), (3325, 9469), (3899, 8075)]