30821978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{60913}}^1$

素因数の和:60949

約数の個数: 16

約数和(自身を含む): 52629696

約数和(自身を除く): 21807718

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 60913, 121826, 670043, 1340086, 1400999, 2801998, 15410989, 30821978]

約数ペア:

[(1, 30821978), (2, 15410989), (11, 2801998), (22, 1400999), (23, 1340086), (46, 670043), (253, 121826), (506, 60913)]