128562265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2539}}^1$

素因数の和:2617

約数の個数: 32

約数和(自身を含む): 179222400

約数和(自身を除く): 50660135

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 533, 779, 1235, 2539, 2665, 3895, 10127, 12695, 33007, 48241, 50635, 104099, 165035, 241205, 520495, 627133, 1353287, 1977881, 3135665, 6766435, 9889405, 25712453, 128562265]

約数ペア:

[(1, 128562265), (5, 25712453), (13, 9889405), (19, 6766435), (41, 3135665), (65, 1977881), (95, 1353287), (205, 627133), (247, 520495), (533, 241205), (779, 165035), (1235, 104099), (2539, 50635), (2665, 48241), (3895, 33007), (10127, 12695)]