72200513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 100362240

約数和(自身を除く): 28161727

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 1309, 1463, 2261, 2903, 3553, 20321, 24871, 31933, 49351, 55157, 223531, 345457, 386099, 542861, 606727, 937669, 3800027, 4247089, 6563683, 10314359, 72200513]

約数ペア:

[(1, 72200513), (7, 10314359), (11, 6563683), (17, 4247089), (19, 3800027), (77, 937669), (119, 606727), (133, 542861), (187, 386099), (209, 345457), (323, 223531), (1309, 55157), (1463, 49351), (2261, 31933), (2903, 24871), (3553, 20321)]