28207836

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 75675600

約数和(自身を除く): 47467764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 492, 522, 659, 738, 1044, 1189, 1318, 1476, 1977, 2378, 2636, 3567, 3954, 4756, 5931, 7134, 7908, 10701, 11862, 14268, 19111, 21402, 23724, 27019, 38222, 42804, 54038, 57333, 76444, 81057, 108076, 114666, 162114, 171999, 229332, 243171, 324228, 343998, 486342, 687996, 783551, 972684, 1567102, 2350653, 3134204, 4701306, 7051959, 9402612, 14103918, 28207836]

約数ペア:

[(1, 28207836), (2, 14103918), (3, 9402612), (4, 7051959), (6, 4701306), (9, 3134204), (12, 2350653), (18, 1567102), (29, 972684), (36, 783551), (41, 687996), (58, 486342), (82, 343998), (87, 324228), (116, 243171), (123, 229332), (164, 171999), (174, 162114), (246, 114666), (261, 108076), (348, 81057), (369, 76444), (492, 57333), (522, 54038), (659, 42804), (738, 38222), (1044, 27019), (1189, 23724), (1318, 21402), (1476, 19111), (1977, 14268), (2378, 11862), (2636, 10701), (3567, 7908), (3954, 7134), (4756, 5931)]