205651784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{27851}}^1$

素因数の和:27941

約数の個数: 32

約数和(自身を含む): 421122240

約数和(自身を除く): 215470456

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 27851, 55702, 111404, 222808, 362063, 724126, 1448252, 1977421, 2896504, 3954842, 7909684, 15819368, 25706473, 51412946, 102825892, 205651784]

約数ペア:

[(1, 205651784), (2, 102825892), (4, 51412946), (8, 25706473), (13, 15819368), (26, 7909684), (52, 3954842), (71, 2896504), (104, 1977421), (142, 1448252), (284, 724126), (568, 362063), (923, 222808), (1846, 111404), (3692, 55702), (7384, 27851)]