128806972

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{58231}}^1$

素因数の和:58321

約数の個数: 24

約数和(自身を含む): 260879360

約数和(自身を除く): 132072388

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 58231, 116462, 232924, 407617, 815234, 1630468, 4600249, 9200498, 18400996, 32201743, 64403486, 128806972]

約数ペア:

[(1, 128806972), (2, 64403486), (4, 32201743), (7, 18400996), (14, 9200498), (28, 4600249), (79, 1630468), (158, 815234), (316, 407617), (553, 232924), (1106, 116462), (2212, 58231)]