64165255

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 101204640

約数和(自身を除く): 37039385

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 385, 539, 821, 1015, 1421, 1595, 2233, 2695, 4105, 5747, 7105, 9031, 11165, 15631, 23809, 28735, 40229, 45155, 63217, 78155, 119045, 166663, 201145, 261899, 316085, 442519, 833315, 1166641, 1309495, 1833293, 2212595, 5833205, 9166465, 12833051, 64165255]

約数ペア:

[(1, 64165255), (5, 12833051), (7, 9166465), (11, 5833205), (29, 2212595), (35, 1833293), (49, 1309495), (55, 1166641), (77, 833315), (145, 442519), (203, 316085), (245, 261899), (319, 201145), (385, 166663), (539, 119045), (821, 78155), (1015, 63217), (1421, 45155), (1595, 40229), (2233, 28735), (2695, 23809), (4105, 15631), (5747, 11165), (7105, 9031)]