66195275

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 84786240

約数和(自身を除く): 18590965

約数列:

[1, 5, 25, 43, 139, 215, 443, 695, 1075, 2215, 3475, 5977, 11075, 19049, 29885, 61577, 95245, 149425, 307885, 476225, 1539425, 2647811, 13239055, 66195275]

約数ペア:

[(1, 66195275), (5, 13239055), (25, 2647811), (43, 1539425), (139, 476225), (215, 307885), (443, 149425), (695, 95245), (1075, 61577), (2215, 29885), (3475, 19049), (5977, 11075)]