4006985

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 5304960

約数和(自身を除く): 1297975

約数列:

[1, 5, 17, 47, 59, 85, 235, 289, 295, 799, 1003, 1445, 2773, 3995, 5015, 13583, 13865, 17051, 47141, 67915, 85255, 235705, 801397, 4006985]

約数ペア:

[(1, 4006985), (5, 801397), (17, 235705), (47, 85255), (59, 67915), (85, 47141), (235, 17051), (289, 13865), (295, 13583), (799, 5015), (1003, 3995), (1445, 2773)]