197804915

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3912

約数の個数: 48

約数和(自身を含む): 317157120

約数和(自身を除く): 119352205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1463, 2695, 3863, 4655, 7315, 10241, 19315, 27041, 42493, 51205, 73397, 135205, 189287, 212465, 297451, 366985, 513779, 807367, 946435, 1487255, 2082157, 2568895, 3596453, 4036835, 5651569, 10410785, 17982265, 28257845, 39560983, 197804915]

約数ペア:

[(1, 197804915), (5, 39560983), (7, 28257845), (11, 17982265), (19, 10410785), (35, 5651569), (49, 4036835), (55, 3596453), (77, 2568895), (95, 2082157), (133, 1487255), (209, 946435), (245, 807367), (385, 513779), (539, 366985), (665, 297451), (931, 212465), (1045, 189287), (1463, 135205), (2695, 73397), (3863, 51205), (4655, 42493), (7315, 27041), (10241, 19315)]