178989830

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{859}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 328423680

約数和(自身を除く): 149433850

約数列:

[1, 2, 5, 10, 67, 134, 311, 335, 622, 670, 859, 1555, 1718, 3110, 4295, 8590, 20837, 41674, 57553, 104185, 115106, 208370, 267149, 287765, 534298, 575530, 1335745, 2671490, 17898983, 35797966, 89494915, 178989830]

約数ペア:

[(1, 178989830), (2, 89494915), (5, 35797966), (10, 17898983), (67, 2671490), (134, 1335745), (311, 575530), (335, 534298), (622, 287765), (670, 267149), (859, 208370), (1555, 115106), (1718, 104185), (3110, 57553), (4295, 41674), (8590, 20837)]