86873612

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 178536960

約数和(自身を除く): 91663348

約数列:

[1, 2, 4, 7, 14, 28, 71, 89, 142, 178, 284, 356, 491, 497, 623, 982, 994, 1246, 1964, 1988, 2492, 3437, 6319, 6874, 12638, 13748, 25276, 34861, 43699, 44233, 69722, 87398, 88466, 139444, 174796, 176932, 244027, 305893, 488054, 611786, 976108, 1223572, 3102629, 6205258, 12410516, 21718403, 43436806, 86873612]

約数ペア:

[(1, 86873612), (2, 43436806), (4, 21718403), (7, 12410516), (14, 6205258), (28, 3102629), (71, 1223572), (89, 976108), (142, 611786), (178, 488054), (284, 305893), (356, 244027), (491, 176932), (497, 174796), (623, 139444), (982, 88466), (994, 87398), (1246, 69722), (1964, 44233), (1988, 43699), (2492, 34861), (3437, 25276), (6319, 13748), (6874, 12638)]