201991888118

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{10193}}^1\times {\mathrm{135731}}^1$

素因数の和:145999

約数の個数: 16

約数和(自身を含む): 307170745776

約数和(自身を除く): 105178857658

約数列:

[1, 2, 73, 146, 10193, 20386, 135731, 271462, 744089, 1488178, 9908363, 19816726, 1383506083, 2767012166, 100995944059, 201991888118]

約数ペア:

[(1, 201991888118), (2, 100995944059), (73, 2767012166), (146, 1383506083), (10193, 19816726), (20386, 9908363), (135731, 1488178), (271462, 744089)]