27678784

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2043

約数の個数: 56

約数和(自身を含む): 64828928

約数和(自身を除く): 37150144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 1993, 3472, 3986, 6944, 7972, 13888, 13951, 15944, 27902, 31888, 55804, 61783, 63776, 111608, 123566, 127552, 223216, 247132, 432481, 446432, 494264, 864962, 892864, 988528, 1729924, 1977056, 3459848, 3954112, 6919696, 13839392, 27678784]

約数ペア:

[(1, 27678784), (2, 13839392), (4, 6919696), (7, 3954112), (8, 3459848), (14, 1977056), (16, 1729924), (28, 988528), (31, 892864), (32, 864962), (56, 494264), (62, 446432), (64, 432481), (112, 247132), (124, 223216), (217, 127552), (224, 123566), (248, 111608), (434, 63776), (448, 61783), (496, 55804), (868, 31888), (992, 27902), (1736, 15944), (1984, 13951), (1993, 13888), (3472, 7972), (3986, 6944)]