81478554

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{222619}}^1$

素因数の和:222685

約数の個数: 16

約数和(自身を含む): 165629280

約数和(自身を除く): 84150726

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 222619, 445238, 667857, 1335714, 13579759, 27159518, 40739277, 81478554]

約数ペア:

[(1, 81478554), (2, 40739277), (3, 27159518), (6, 13579759), (61, 1335714), (122, 667857), (183, 445238), (366, 222619)]