161867764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{5059}}^1$

素因数の和:5503

約数の個数: 24

約数和(自身を含む): 298944800

約数和(自身を除く): 137077036

約数列:

[1, 2, 4, 19, 38, 76, 421, 842, 1684, 5059, 7999, 10118, 15998, 20236, 31996, 96121, 192242, 384484, 2129839, 4259678, 8519356, 40466941, 80933882, 161867764]

約数ペア:

[(1, 161867764), (2, 80933882), (4, 40466941), (19, 8519356), (38, 4259678), (76, 2129839), (421, 384484), (842, 192242), (1684, 96121), (5059, 31996), (7999, 20236), (10118, 15998)]