16749145

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 7581095

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 359, 1085, 1333, 1505, 1795, 2513, 6665, 9331, 11129, 12565, 15437, 46655, 55645, 77185, 77903, 108059, 389515, 478547, 540295, 2392735, 3349829, 16749145]

約数ペア:

[(1, 16749145), (5, 3349829), (7, 2392735), (31, 540295), (35, 478547), (43, 389515), (155, 108059), (215, 77903), (217, 77185), (301, 55645), (359, 46655), (1085, 15437), (1333, 12565), (1505, 11129), (1795, 9331), (2513, 6665)]