161781424

素因数分解:

$2^4\times 7^1\times {\mathrm{1444477}}^1$

素因数の和:1444492

約数の個数: 20

約数和(自身を含む): 358230544

約数和(自身を除く): 196449120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1444477, 2888954, 5777908, 10111339, 11555816, 20222678, 23111632, 40445356, 80890712, 161781424]

約数ペア:

[(1, 161781424), (2, 80890712), (4, 40445356), (7, 23111632), (8, 20222678), (14, 11555816), (16, 10111339), (28, 5777908), (56, 2888954), (112, 1444477)]