90889876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 202287680

約数和(自身を除く): 111397804

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 139, 154, 193, 242, 278, 308, 386, 484, 556, 772, 847, 973, 1351, 1529, 1694, 1946, 2123, 2702, 3058, 3388, 3892, 4246, 5404, 6116, 8492, 10703, 14861, 16819, 21406, 23353, 26827, 29722, 33638, 42812, 46706, 53654, 59444, 67276, 93412, 107308, 117733, 163471, 187789, 235466, 295097, 326942, 375578, 470932, 590194, 653884, 751156, 1180388, 2065679, 3246067, 4131358, 6492134, 8262716, 12984268, 22722469, 45444938, 90889876]

約数ペア:

[(1, 90889876), (2, 45444938), (4, 22722469), (7, 12984268), (11, 8262716), (14, 6492134), (22, 4131358), (28, 3246067), (44, 2065679), (77, 1180388), (121, 751156), (139, 653884), (154, 590194), (193, 470932), (242, 375578), (278, 326942), (308, 295097), (386, 235466), (484, 187789), (556, 163471), (772, 117733), (847, 107308), (973, 93412), (1351, 67276), (1529, 59444), (1694, 53654), (1946, 46706), (2123, 42812), (2702, 33638), (3058, 29722), (3388, 26827), (3892, 23353), (4246, 21406), (5404, 16819), (6116, 14861), (8492, 10703)]