13381816

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1213}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 28844640

約数和(自身を除く): 15462824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1213, 1379, 1576, 2426, 2758, 4852, 5516, 8491, 9704, 11032, 16982, 33964, 67928, 238961, 477922, 955844, 1672727, 1911688, 3345454, 6690908, 13381816]

約数ペア:

[(1, 13381816), (2, 6690908), (4, 3345454), (7, 1911688), (8, 1672727), (14, 955844), (28, 477922), (56, 238961), (197, 67928), (394, 33964), (788, 16982), (1213, 11032), (1379, 9704), (1576, 8491), (2426, 5516), (2758, 4852)]