81797856

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{17389}}^1$

素因数の和:17416

約数の個数: 72

約数和(自身を含む): 249789960

約数和(自身を除く): 167992104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 17389, 34778, 52167, 69556, 104334, 121723, 139112, 208668, 243446, 278224, 365169, 417336, 486892, 556448, 730338, 834672, 852061, 973784, 1460676, 1669344, 1704122, 1947568, 2556183, 2921352, 3408244, 3895136, 5112366, 5842704, 6816488, 10224732, 11685408, 13632976, 20449464, 27265952, 40898928, 81797856]

約数ペア:

[(1, 81797856), (2, 40898928), (3, 27265952), (4, 20449464), (6, 13632976), (7, 11685408), (8, 10224732), (12, 6816488), (14, 5842704), (16, 5112366), (21, 3895136), (24, 3408244), (28, 2921352), (32, 2556183), (42, 1947568), (48, 1704122), (49, 1669344), (56, 1460676), (84, 973784), (96, 852061), (98, 834672), (112, 730338), (147, 556448), (168, 486892), (196, 417336), (224, 365169), (294, 278224), (336, 243446), (392, 208668), (588, 139112), (672, 121723), (784, 104334), (1176, 69556), (1568, 52167), (2352, 34778), (4704, 17389)]