78876889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 104461056

約数和(自身を除く): 25584167

約数列:

[1, 7, 13, 17, 67, 91, 119, 221, 469, 761, 871, 1139, 1547, 5327, 6097, 7973, 9893, 12937, 14807, 50987, 69251, 90559, 103649, 168181, 356909, 662831, 866779, 1177267, 4639817, 6067453, 11268127, 78876889]

約数ペア:

[(1, 78876889), (7, 11268127), (13, 6067453), (17, 4639817), (67, 1177267), (91, 866779), (119, 662831), (221, 356909), (469, 168181), (761, 103649), (871, 90559), (1139, 69251), (1547, 50987), (5327, 14807), (6097, 12937), (7973, 9893)]