61990075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 94708224

約数和(自身を除く): 32718149

約数列:

[1, 5, 7, 17, 25, 35, 67, 85, 119, 175, 311, 335, 425, 469, 595, 1139, 1555, 1675, 2177, 2345, 2975, 5287, 5695, 7775, 7973, 10885, 11725, 20837, 26435, 28475, 37009, 39865, 54425, 104185, 132175, 145859, 185045, 199325, 354229, 520925, 729295, 925225, 1771145, 2479603, 3646475, 8855725, 12398015, 61990075]

約数ペア:

[(1, 61990075), (5, 12398015), (7, 8855725), (17, 3646475), (25, 2479603), (35, 1771145), (67, 925225), (85, 729295), (119, 520925), (175, 354229), (311, 199325), (335, 185045), (425, 145859), (469, 132175), (595, 104185), (1139, 54425), (1555, 39865), (1675, 37009), (2177, 28475), (2345, 26435), (2975, 20837), (5287, 11725), (5695, 10885), (7775, 7973)]