71291285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 98431200

約数和(自身を除く): 27139915

約数列:

[1, 5, 13, 17, 65, 85, 149, 221, 433, 745, 1105, 1937, 2165, 2533, 5629, 7361, 9685, 12665, 28145, 32929, 36805, 64517, 95693, 164645, 322585, 478465, 838721, 1096789, 4193605, 5483945, 14258257, 71291285]

約数ペア:

[(1, 71291285), (5, 14258257), (13, 5483945), (17, 4193605), (65, 1096789), (85, 838721), (149, 478465), (221, 322585), (433, 164645), (745, 95693), (1105, 64517), (1937, 36805), (2165, 32929), (2533, 28145), (5629, 12665), (7361, 9685)]