197720281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{2179}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 220685760

約数和(自身を除く): 22965479

約数列:

[1, 11, 73, 113, 803, 1243, 2179, 8249, 23969, 90739, 159067, 246227, 1749737, 2708497, 17974571, 197720281]

約数ペア:

[(1, 197720281), (11, 17974571), (73, 2708497), (113, 1749737), (803, 246227), (1243, 159067), (2179, 90739), (8249, 23969)]