80991018

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{61637}}^1$

素因数の和:61718

約数の個数: 24

約数和(自身を含む): 177887268

約数和(自身を除く): 96896250

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 61637, 123274, 184911, 369822, 554733, 1109466, 4499501, 8999002, 13498503, 26997006, 40495509, 80991018]

約数ペア:

[(1, 80991018), (2, 40495509), (3, 26997006), (6, 13498503), (9, 8999002), (18, 4499501), (73, 1109466), (146, 554733), (219, 369822), (438, 184911), (657, 123274), (1314, 61637)]