68814064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{390989}}^1$

素因数の和:391008

約数の個数: 20

約数和(自身を含む): 145448280

約数和(自身を除く): 76634216

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 390989, 781978, 1563956, 3127912, 4300879, 6255824, 8601758, 17203516, 34407032, 68814064]

約数ペア:

[(1, 68814064), (2, 34407032), (4, 17203516), (8, 8601758), (11, 6255824), (16, 4300879), (22, 3127912), (44, 1563956), (88, 781978), (176, 390989)]