819697318

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{17021}}^1$

素因数の和:17244

約数の個数: 24

約数和(自身を含む): 1358355600

約数和(自身を除く): 538658282

約数列:

[1, 2, 11, 22, 121, 199, 242, 398, 2189, 4378, 17021, 24079, 34042, 48158, 187231, 374462, 2059541, 3387179, 4119082, 6774358, 37258969, 74517938, 409848659, 819697318]

約数ペア:

[(1, 819697318), (2, 409848659), (11, 74517938), (22, 37258969), (121, 6774358), (199, 4119082), (242, 3387179), (398, 2059541), (2189, 374462), (4378, 187231), (17021, 48158), (24079, 34042)]