78628808

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 159148800

約数和(自身を除く): 80519992

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 289, 479, 568, 578, 958, 1156, 1207, 1916, 2312, 2414, 3832, 4828, 8143, 9656, 16286, 20519, 32572, 34009, 41038, 65144, 68018, 82076, 136036, 138431, 164152, 272072, 276862, 553724, 578153, 1107448, 1156306, 2312612, 4625224, 9828601, 19657202, 39314404, 78628808]

約数ペア:

[(1, 78628808), (2, 39314404), (4, 19657202), (8, 9828601), (17, 4625224), (34, 2312612), (68, 1156306), (71, 1107448), (136, 578153), (142, 553724), (284, 276862), (289, 272072), (479, 164152), (568, 138431), (578, 136036), (958, 82076), (1156, 68018), (1207, 65144), (1916, 41038), (2312, 34009), (2414, 32572), (3832, 20519), (4828, 16286), (8143, 9656)]