161509072

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{23977}}^1$

素因数の和:24406

約数の個数: 20

約数和(自身を含む): 313680196

約数和(自身を除く): 152171124

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 23977, 47954, 95908, 191816, 383632, 10094317, 20188634, 40377268, 80754536, 161509072]

約数ペア:

[(1, 161509072), (2, 80754536), (4, 40377268), (8, 20188634), (16, 10094317), (421, 383632), (842, 191816), (1684, 95908), (3368, 47954), (6736, 23977)]