87187219

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 108345600

約数和(自身を除く): 21158381

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1319, 1349, 3479, 9233, 9443, 25061, 64631, 66101, 93649, 175427, 655543, 1227989, 1779331, 4588801, 12455317, 87187219]

約数ペア:

[(1, 87187219), (7, 12455317), (19, 4588801), (49, 1779331), (71, 1227989), (133, 655543), (497, 175427), (931, 93649), (1319, 66101), (1349, 64631), (3479, 25061), (9233, 9443)]