66640838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{12569}}^1$

素因数の和:12823

約数の個数: 16

約数和(自身を含む): 109509840

約数和(自身を除く): 42869002

約数列:

[1, 2, 11, 22, 241, 482, 2651, 5302, 12569, 25138, 138259, 276518, 3029129, 6058258, 33320419, 66640838]

約数ペア:

[(1, 66640838), (2, 33320419), (11, 6058258), (22, 3029129), (241, 276518), (482, 138259), (2651, 25138), (5302, 12569)]