161755778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{10111}}^1$

素因数の和:10553

約数の個数: 16

約数和(自身を含む): 256035840

約数和(自身を除く): 94280062

約数列:

[1, 2, 19, 38, 421, 842, 7999, 10111, 15998, 20222, 192109, 384218, 4256731, 8513462, 80877889, 161755778]

約数ペア:

[(1, 161755778), (2, 80877889), (19, 8513462), (38, 4256731), (421, 384218), (842, 192109), (7999, 20222), (10111, 15998)]