51204595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 70761600

約数和(自身を除く): 19557005

約数列:

[1, 5, 13, 17, 65, 85, 149, 221, 311, 745, 1105, 1555, 1937, 2533, 4043, 5287, 9685, 12665, 20215, 26435, 32929, 46339, 68731, 164645, 231695, 343655, 602407, 787763, 3012035, 3938815, 10240919, 51204595]

約数ペア:

[(1, 51204595), (5, 10240919), (13, 3938815), (17, 3012035), (65, 787763), (85, 602407), (149, 343655), (221, 231695), (311, 164645), (745, 68731), (1105, 46339), (1555, 32929), (1937, 26435), (2533, 20215), (4043, 12665), (5287, 9685)]