31131122

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:874

約数の個数: 24

約数和(自身を含む): 51667308

約数和(自身を除く): 20536186

約数列:

[1, 2, 11, 22, 121, 197, 242, 394, 653, 1306, 2167, 4334, 7183, 14366, 23837, 47674, 79013, 128641, 158026, 257282, 1415051, 2830102, 15565561, 31131122]

約数ペア:

[(1, 31131122), (2, 15565561), (11, 2830102), (22, 1415051), (121, 257282), (197, 158026), (242, 128641), (394, 79013), (653, 47674), (1306, 23837), (2167, 14366), (4334, 7183)]