51665845

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 82900800

約数和(自身を除く): 31234955

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1009, 1045, 1463, 2695, 4655, 5045, 7063, 7315, 10241, 11099, 19171, 35315, 49441, 51205, 55495, 77693, 95855, 134197, 210881, 247205, 388465, 543851, 670985, 939379, 1054405, 1476167, 2719255, 4696895, 7380835, 10333169, 51665845]

約数ペア:

[(1, 51665845), (5, 10333169), (7, 7380835), (11, 4696895), (19, 2719255), (35, 1476167), (49, 1054405), (55, 939379), (77, 670985), (95, 543851), (133, 388465), (209, 247205), (245, 210881), (385, 134197), (539, 95855), (665, 77693), (931, 55495), (1009, 51205), (1045, 49441), (1463, 35315), (2695, 19171), (4655, 11099), (5045, 10241), (7063, 7315)]