68905172

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{18503}}^1$

素因数の和:18540

約数の個数: 36

約数和(自身を含む): 147661920

約数和(自身を除く): 78756748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 18503, 37006, 74012, 129521, 259042, 351557, 518084, 703114, 906647, 1406228, 1813294, 2460899, 3626588, 4921798, 9843596, 17226293, 34452586, 68905172]

約数ペア:

[(1, 68905172), (2, 34452586), (4, 17226293), (7, 9843596), (14, 4921798), (19, 3626588), (28, 2460899), (38, 1813294), (49, 1406228), (76, 906647), (98, 703114), (133, 518084), (196, 351557), (266, 259042), (532, 129521), (931, 74012), (1862, 37006), (3724, 18503)]