81563630

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{111731}}^1$

素因数の和:111811

約数の個数: 16

約数和(自身を含む): 148827024

約数和(自身を除く): 67263394

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 111731, 223462, 558655, 1117310, 8156363, 16312726, 40781815, 81563630]

約数ペア:

[(1, 81563630), (2, 40781815), (5, 16312726), (10, 8156363), (73, 1117310), (146, 558655), (365, 223462), (730, 111731)]