161755268

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{2753}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 291560472

約数和(自身を除く): 129805204

約数列:

[1, 2, 4, 37, 74, 148, 397, 794, 1588, 2753, 5506, 11012, 14689, 29378, 58756, 101861, 203722, 407444, 1092941, 2185882, 4371764, 40438817, 80877634, 161755268]

約数ペア:

[(1, 161755268), (2, 80877634), (4, 40438817), (37, 4371764), (74, 2185882), (148, 1092941), (397, 407444), (794, 203722), (1588, 101861), (2753, 58756), (5506, 29378), (11012, 14689)]