201888005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 281242368

約数和(自身を除く): 79354363

約数列:

[1, 5, 11, 17, 55, 85, 187, 263, 821, 935, 1315, 2893, 4105, 4471, 9031, 13957, 14465, 22355, 45155, 49181, 69785, 153527, 215923, 245905, 767635, 1079615, 2375153, 3670691, 11875765, 18353455, 40377601, 201888005]

約数ペア:

[(1, 201888005), (5, 40377601), (11, 18353455), (17, 11875765), (55, 3670691), (85, 2375153), (187, 1079615), (263, 767635), (821, 245905), (935, 215923), (1315, 153527), (2893, 69785), (4105, 49181), (4471, 45155), (9031, 22355), (13957, 14465)]