318205745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 485968896

約数和(自身を除く): 167763151

約数列:

[1, 5, 11, 13, 17, 47, 55, 65, 85, 143, 187, 221, 235, 517, 557, 611, 715, 799, 935, 1105, 2431, 2585, 2785, 3055, 3995, 6127, 6721, 7241, 8789, 9469, 10387, 12155, 26179, 30635, 33605, 36205, 43945, 47345, 51935, 79651, 104159, 114257, 123097, 130895, 287969, 340327, 398255, 445043, 520795, 571285, 615485, 1354067, 1439845, 1701635, 2225215, 3743597, 4895473, 5785559, 6770335, 18717985, 24477365, 28927795, 63641149, 318205745]

約数ペア:

[(1, 318205745), (5, 63641149), (11, 28927795), (13, 24477365), (17, 18717985), (47, 6770335), (55, 5785559), (65, 4895473), (85, 3743597), (143, 2225215), (187, 1701635), (221, 1439845), (235, 1354067), (517, 615485), (557, 571285), (611, 520795), (715, 445043), (799, 398255), (935, 340327), (1105, 287969), (2431, 130895), (2585, 123097), (2785, 114257), (3055, 104159), (3995, 79651), (6127, 51935), (6721, 47345), (7241, 43945), (8789, 36205), (9469, 33605), (10387, 30635), (12155, 26179)]