65516825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 93636864

約数和(自身を除く): 28120039

約数列:

[1, 5, 11, 25, 37, 47, 55, 137, 185, 235, 275, 407, 517, 685, 925, 1175, 1507, 1739, 2035, 2585, 3425, 5069, 6439, 7535, 8695, 10175, 12925, 19129, 25345, 32195, 37675, 43475, 55759, 70829, 95645, 126725, 160975, 238243, 278795, 354145, 478225, 1191215, 1393975, 1770725, 2620673, 5956075, 13103365, 65516825]

約数ペア:

[(1, 65516825), (5, 13103365), (11, 5956075), (25, 2620673), (37, 1770725), (47, 1393975), (55, 1191215), (137, 478225), (185, 354145), (235, 278795), (275, 238243), (407, 160975), (517, 126725), (685, 95645), (925, 70829), (1175, 55759), (1507, 43475), (1739, 37675), (2035, 32195), (2585, 25345), (3425, 19129), (5069, 12925), (6439, 10175), (7535, 8695)]