128865488

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{58789}}^1$

素因数の和:58934

約数の個数: 20

約数和(自身を含む): 251503620

約数和(自身を除く): 122638132

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 58789, 117578, 235156, 470312, 940624, 8054093, 16108186, 32216372, 64432744, 128865488]

約数ペア:

[(1, 128865488), (2, 64432744), (4, 32216372), (8, 16108186), (16, 8054093), (137, 940624), (274, 470312), (548, 235156), (1096, 117578), (2192, 58789)]