189171974

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{2557}}^1$

素因数の和:3151

約数の個数: 16

約数和(自身を含む): 288419616

約数和(自身を除く): 99247642

約数列:

[1, 2, 71, 142, 521, 1042, 2557, 5114, 36991, 73982, 181547, 363094, 1332197, 2664394, 94585987, 189171974]

約数ペア:

[(1, 189171974), (2, 94585987), (71, 2664394), (142, 1332197), (521, 363094), (1042, 181547), (2557, 73982), (5114, 36991)]