217989096479

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1\times {\mathrm{9283}}^1$

素因数の和:11620

約数の個数: 48

約数和(自身を含む): 291349745280

約数和(自身を除く): 73360648801

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 2293, 9283, 10241, 16051, 25223, 43567, 64981, 102113, 112357, 176377, 176561, 304969, 454867, 479237, 714791, 1234639, 1235927, 1940147, 2134783, 3354659, 5003537, 8642473, 13581029, 21285919, 23482613, 95067203, 149001433, 234145109, 404432461, 1043010031, 1639015763, 2831027227, 4448757071, 11473110341, 19817190589, 31141299497, 217989096479]

約数ペア:

[(1, 217989096479), (7, 31141299497), (11, 19817190589), (19, 11473110341), (49, 4448757071), (77, 2831027227), (133, 1639015763), (209, 1043010031), (539, 404432461), (931, 234145109), (1463, 149001433), (2293, 95067203), (9283, 23482613), (10241, 21285919), (16051, 13581029), (25223, 8642473), (43567, 5003537), (64981, 3354659), (102113, 2134783), (112357, 1940147), (176377, 1235927), (176561, 1234639), (304969, 714791), (454867, 479237)]