618686915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1051}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 940235520

約数和(自身を除く): 321548605

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 139, 385, 605, 695, 847, 973, 1051, 1529, 4235, 4865, 5255, 7357, 7645, 10703, 11561, 16819, 36785, 53515, 57805, 80927, 84095, 117733, 127171, 146089, 404635, 588665, 635855, 730445, 890197, 1022623, 1606979, 4450985, 5113115, 8034895, 11248853, 17676769, 56244265, 88383845, 123737383, 618686915]

約数ペア:

[(1, 618686915), (5, 123737383), (7, 88383845), (11, 56244265), (35, 17676769), (55, 11248853), (77, 8034895), (121, 5113115), (139, 4450985), (385, 1606979), (605, 1022623), (695, 890197), (847, 730445), (973, 635855), (1051, 588665), (1529, 404635), (4235, 146089), (4865, 127171), (5255, 117733), (7357, 84095), (7645, 80927), (10703, 57805), (11561, 53515), (16819, 36785)]