77881726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 142829568

約数和(自身を除く): 64947842

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 47, 94, 163, 221, 299, 326, 391, 442, 598, 611, 782, 799, 1081, 1222, 1598, 2119, 2162, 2771, 3749, 4238, 5083, 5542, 7498, 7661, 10166, 10387, 14053, 15322, 18377, 20774, 28106, 36023, 36754, 48737, 63733, 72046, 97474, 99593, 127466, 130237, 176203, 199186, 238901, 260474, 352406, 477802, 828529, 1657058, 1693081, 2290639, 2995451, 3386162, 4581278, 5990902, 38940863, 77881726]

約数ペア:

[(1, 77881726), (2, 38940863), (13, 5990902), (17, 4581278), (23, 3386162), (26, 2995451), (34, 2290639), (46, 1693081), (47, 1657058), (94, 828529), (163, 477802), (221, 352406), (299, 260474), (326, 238901), (391, 199186), (442, 176203), (598, 130237), (611, 127466), (782, 99593), (799, 97474), (1081, 72046), (1222, 63733), (1598, 48737), (2119, 36754), (2162, 36023), (2771, 28106), (3749, 20774), (4238, 18377), (5083, 15322), (5542, 14053), (7498, 10387), (7661, 10166)]