61990415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 82114560

約数和(自身を除く): 20124145

約数列:

[1, 5, 17, 47, 59, 85, 235, 263, 295, 799, 1003, 1315, 2773, 3995, 4471, 5015, 12361, 13865, 15517, 22355, 47141, 61805, 77585, 210137, 235705, 263789, 729299, 1050685, 1318945, 3646495, 12398083, 61990415]

約数ペア:

[(1, 61990415), (5, 12398083), (17, 3646495), (47, 1318945), (59, 1050685), (85, 729299), (235, 263789), (263, 235705), (295, 210137), (799, 77585), (1003, 61805), (1315, 47141), (2773, 22355), (3995, 15517), (4471, 13865), (5015, 12361)]