89728639

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 126020160

約数和(自身を除く): 36291521

約数列:

[1, 7, 11, 13, 29, 77, 91, 121, 143, 203, 281, 319, 377, 847, 1001, 1573, 1967, 2233, 2639, 3091, 3509, 3653, 4147, 8149, 11011, 21637, 24563, 25571, 29029, 34001, 40183, 45617, 57043, 89639, 105937, 238007, 281281, 319319, 442013, 627473, 741559, 986029, 1165307, 3094091, 6902203, 8157149, 12818377, 89728639]

約数ペア:

[(1, 89728639), (7, 12818377), (11, 8157149), (13, 6902203), (29, 3094091), (77, 1165307), (91, 986029), (121, 741559), (143, 627473), (203, 442013), (281, 319319), (319, 281281), (377, 238007), (847, 105937), (1001, 89639), (1573, 57043), (1967, 45617), (2233, 40183), (2639, 34001), (3091, 29029), (3509, 25571), (3653, 24563), (4147, 21637), (8149, 11011)]