28686385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 43045632

約数和(自身を除く): 14359247

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 335, 455, 469, 871, 941, 2345, 4355, 4705, 6097, 6587, 12233, 30485, 32935, 61165, 63047, 85631, 315235, 428155, 441329, 819611, 2206645, 4098055, 5737277, 28686385]

約数ペア:

[(1, 28686385), (5, 5737277), (7, 4098055), (13, 2206645), (35, 819611), (65, 441329), (67, 428155), (91, 315235), (335, 85631), (455, 63047), (469, 61165), (871, 32935), (941, 30485), (2345, 12233), (4355, 6587), (4705, 6097)]