81796072

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{56489}}^1$

素因数の和:56676

約数の個数: 16

約数和(自身を含む): 154217700

約数和(自身を除く): 72421628

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 56489, 112978, 225956, 451912, 10224509, 20449018, 40898036, 81796072]

約数ペア:

[(1, 81796072), (2, 40898036), (4, 20449018), (8, 10224509), (181, 451912), (362, 225956), (724, 112978), (1448, 56489)]