238912985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 314357760

約数和(自身を除く): 75444775

約数列:

[1, 5, 17, 47, 79, 85, 235, 395, 757, 799, 1343, 3713, 3785, 3995, 6715, 12869, 18565, 35579, 59803, 63121, 64345, 177895, 299015, 315605, 604843, 1016651, 2810741, 3024215, 5083255, 14053705, 47782597, 238912985]

約数ペア:

[(1, 238912985), (5, 47782597), (17, 14053705), (47, 5083255), (79, 3024215), (85, 2810741), (235, 1016651), (395, 604843), (757, 315605), (799, 299015), (1343, 177895), (3713, 64345), (3785, 63121), (3995, 59803), (6715, 35579), (12869, 18565)]