55357568

素因数分解:

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

素因数の和:2045

約数の個数: 64

約数和(自身を含む): 130168320

約数和(自身を除く): 74810752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 1993, 3472, 3968, 3986, 6944, 7972, 13888, 13951, 15944, 27776, 27902, 31888, 55804, 61783, 63776, 111608, 123566, 127552, 223216, 247132, 255104, 432481, 446432, 494264, 864962, 892864, 988528, 1729924, 1785728, 1977056, 3459848, 3954112, 6919696, 7908224, 13839392, 27678784, 55357568]

約数ペア:

[(1, 55357568), (2, 27678784), (4, 13839392), (7, 7908224), (8, 6919696), (14, 3954112), (16, 3459848), (28, 1977056), (31, 1785728), (32, 1729924), (56, 988528), (62, 892864), (64, 864962), (112, 494264), (124, 446432), (128, 432481), (217, 255104), (224, 247132), (248, 223216), (434, 127552), (448, 123566), (496, 111608), (868, 63776), (896, 61783), (992, 55804), (1736, 31888), (1984, 27902), (1993, 27776), (3472, 15944), (3968, 13951), (3986, 13888), (6944, 7972)]