216828724

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{20873}}^1$

素因数の和:20944

約数の個数: 36

約数和(自身を含む): 449751204

約数和(自身を除く): 232922480

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2597, 5194, 10388, 20873, 41746, 83492, 146111, 292222, 584444, 1022777, 1106269, 2045554, 2212538, 4091108, 4425076, 7743883, 15487766, 30975532, 54207181, 108414362, 216828724]

約数ペア:

[(1, 216828724), (2, 108414362), (4, 54207181), (7, 30975532), (14, 15487766), (28, 7743883), (49, 4425076), (53, 4091108), (98, 2212538), (106, 2045554), (196, 1106269), (212, 1022777), (371, 584444), (742, 292222), (1484, 146111), (2597, 83492), (5194, 41746), (10388, 20873)]