219921636

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{1217}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 575811936

約数和(自身を除く): 355890300

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1217, 1221, 1369, 1628, 2434, 2442, 2738, 3651, 4107, 4868, 4884, 5476, 7302, 8214, 13387, 14604, 15059, 16428, 26774, 30118, 40161, 45029, 45177, 53548, 60236, 80322, 90058, 90354, 135087, 160644, 180116, 180708, 270174, 495319, 540348, 990638, 1485957, 1666073, 1981276, 2971914, 3332146, 4998219, 5943828, 6664292, 9996438, 18326803, 19992876, 36653606, 54980409, 73307212, 109960818, 219921636]

約数ペア:

[(1, 219921636), (2, 109960818), (3, 73307212), (4, 54980409), (6, 36653606), (11, 19992876), (12, 18326803), (22, 9996438), (33, 6664292), (37, 5943828), (44, 4998219), (66, 3332146), (74, 2971914), (111, 1981276), (132, 1666073), (148, 1485957), (222, 990638), (407, 540348), (444, 495319), (814, 270174), (1217, 180708), (1221, 180116), (1369, 160644), (1628, 135087), (2434, 90354), (2442, 90058), (2738, 80322), (3651, 60236), (4107, 53548), (4868, 45177), (4884, 45029), (5476, 40161), (7302, 30118), (8214, 26774), (13387, 16428), (14604, 15059)]