61142228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{409}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 129494400

約数和(自身を除く): 68352172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 281, 409, 532, 562, 818, 1124, 1636, 1967, 2863, 3934, 5339, 5726, 7771, 7868, 10678, 11452, 15542, 21356, 31084, 37373, 54397, 74746, 108794, 114929, 149492, 217588, 229858, 459716, 804503, 1609006, 2183651, 3218012, 4367302, 8734604, 15285557, 30571114, 61142228]

約数ペア:

[(1, 61142228), (2, 30571114), (4, 15285557), (7, 8734604), (14, 4367302), (19, 3218012), (28, 2183651), (38, 1609006), (76, 804503), (133, 459716), (266, 229858), (281, 217588), (409, 149492), (532, 114929), (562, 108794), (818, 74746), (1124, 54397), (1636, 37373), (1967, 31084), (2863, 21356), (3934, 15542), (5339, 11452), (5726, 10678), (7771, 7868)]