78867470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1753}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 155334240

約数和(自身を除く): 76466770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 1753, 2045, 3506, 4090, 4499, 8765, 8998, 17530, 19283, 22495, 38566, 44990, 96415, 192830, 716977, 1433954, 3584885, 7169770, 7886747, 15773494, 39433735, 78867470]

約数ペア:

[(1, 78867470), (2, 39433735), (5, 15773494), (10, 7886747), (11, 7169770), (22, 3584885), (55, 1433954), (110, 716977), (409, 192830), (818, 96415), (1753, 44990), (2045, 38566), (3506, 22495), (4090, 19283), (4499, 17530), (8765, 8998)]