219937586

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{4567}}^1$

素因数の和:4790

約数の個数: 24

約数和(自身を含む): 364526400

約数和(自身を除く): 144588814

約数列:

[1, 2, 11, 22, 121, 199, 242, 398, 2189, 4378, 4567, 9134, 24079, 48158, 50237, 100474, 552607, 908833, 1105214, 1817666, 9997163, 19994326, 109968793, 219937586]

約数ペア:

[(1, 219937586), (2, 109968793), (11, 19994326), (22, 9997163), (121, 1817666), (199, 1105214), (242, 908833), (398, 552607), (2189, 100474), (4378, 50237), (4567, 48158), (9134, 24079)]