68748208

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{81071}}^1$

素因数の和:81132

約数の個数: 20

約数和(自身を含む): 135714528

約数和(自身を除く): 66966320

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 81071, 162142, 324284, 648568, 1297136, 4296763, 8593526, 17187052, 34374104, 68748208]

約数ペア:

[(1, 68748208), (2, 34374104), (4, 17187052), (8, 8593526), (16, 4296763), (53, 1297136), (106, 648568), (212, 324284), (424, 162142), (848, 81071)]