81451836

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1379

約数の個数: 72

約数和(自身を含む): 216652800

約数和(自身を除く): 135200964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 174, 183, 244, 261, 348, 366, 522, 549, 732, 1044, 1098, 1279, 1769, 2196, 2558, 3538, 3837, 5116, 5307, 7076, 7674, 10614, 11511, 15348, 15921, 21228, 23022, 31842, 37091, 46044, 63684, 74182, 78019, 111273, 148364, 156038, 222546, 234057, 312076, 333819, 445092, 468114, 667638, 702171, 936228, 1335276, 1404342, 2262551, 2808684, 4525102, 6787653, 9050204, 13575306, 20362959, 27150612, 40725918, 81451836]

約数ペア:

[(1, 81451836), (2, 40725918), (3, 27150612), (4, 20362959), (6, 13575306), (9, 9050204), (12, 6787653), (18, 4525102), (29, 2808684), (36, 2262551), (58, 1404342), (61, 1335276), (87, 936228), (116, 702171), (122, 667638), (174, 468114), (183, 445092), (244, 333819), (261, 312076), (348, 234057), (366, 222546), (522, 156038), (549, 148364), (732, 111273), (1044, 78019), (1098, 74182), (1279, 63684), (1769, 46044), (2196, 37091), (2558, 31842), (3538, 23022), (3837, 21228), (5116, 15921), (5307, 15348), (7076, 11511), (7674, 10614)]