78776776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2621}}^1$

素因数の和:2674

約数の個数: 48

約数和(自身を含む): 169040340

約数和(自身を除く): 90263564

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 884, 1156, 1768, 2312, 2621, 3757, 5242, 7514, 10484, 15028, 20968, 30056, 34073, 44557, 68146, 89114, 136292, 178228, 272584, 356456, 579241, 757469, 1158482, 1514938, 2316964, 3029876, 4633928, 6059752, 9847097, 19694194, 39388388, 78776776]

約数ペア:

[(1, 78776776), (2, 39388388), (4, 19694194), (8, 9847097), (13, 6059752), (17, 4633928), (26, 3029876), (34, 2316964), (52, 1514938), (68, 1158482), (104, 757469), (136, 579241), (221, 356456), (289, 272584), (442, 178228), (578, 136292), (884, 89114), (1156, 68146), (1768, 44557), (2312, 34073), (2621, 30056), (3757, 20968), (5242, 15028), (7514, 10484)]