81782904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11321}}^1$

素因数の和:11380

約数の個数: 64

約数和(自身を含む): 239120640

約数和(自身を除く): 157337736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 7224, 11321, 22642, 33963, 45284, 67926, 79247, 90568, 135852, 158494, 237741, 271704, 316988, 475482, 486803, 633976, 950964, 973606, 1460409, 1901928, 1947212, 2920818, 3407621, 3894424, 5841636, 6815242, 10222863, 11683272, 13630484, 20445726, 27260968, 40891452, 81782904]

約数ペア:

[(1, 81782904), (2, 40891452), (3, 27260968), (4, 20445726), (6, 13630484), (7, 11683272), (8, 10222863), (12, 6815242), (14, 5841636), (21, 3894424), (24, 3407621), (28, 2920818), (42, 1947212), (43, 1901928), (56, 1460409), (84, 973606), (86, 950964), (129, 633976), (168, 486803), (172, 475482), (258, 316988), (301, 271704), (344, 237741), (516, 158494), (602, 135852), (903, 90568), (1032, 79247), (1204, 67926), (1806, 45284), (2408, 33963), (3612, 22642), (7224, 11321)]