64774724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 137155200

約数和(自身を除く): 72380476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 313, 389, 532, 626, 778, 1252, 1556, 2191, 2723, 4382, 5446, 5947, 7391, 8764, 10892, 11894, 14782, 23788, 29564, 41629, 51737, 83258, 103474, 121757, 166516, 206948, 243514, 487028, 852299, 1704598, 2313383, 3409196, 4626766, 9253532, 16193681, 32387362, 64774724]

約数ペア:

[(1, 64774724), (2, 32387362), (4, 16193681), (7, 9253532), (14, 4626766), (19, 3409196), (28, 2313383), (38, 1704598), (76, 852299), (133, 487028), (266, 243514), (313, 206948), (389, 166516), (532, 121757), (626, 103474), (778, 83258), (1252, 51737), (1556, 41629), (2191, 29564), (2723, 23788), (4382, 14782), (5446, 11894), (5947, 10892), (7391, 8764)]