208640168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{76481}}^1$

素因数の和:76529

約数の個数: 32

約数和(自身を含む): 440536320

約数和(自身を除く): 231896152

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 76481, 152962, 305924, 611848, 841291, 1682582, 2370911, 3365164, 4741822, 6730328, 9483644, 18967288, 26080021, 52160042, 104320084, 208640168]

約数ペア:

[(1, 208640168), (2, 104320084), (4, 52160042), (8, 26080021), (11, 18967288), (22, 9483644), (31, 6730328), (44, 4741822), (62, 3365164), (88, 2370911), (124, 1682582), (248, 841291), (341, 611848), (682, 305924), (1364, 152962), (2728, 76481)]