172157906

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{5531}}^1$

素因数の和:5809

約数の個数: 16

約数和(自身を含む): 262880640

約数和(自身を除く): 90722734

約数列:

[1, 2, 79, 158, 197, 394, 5531, 11062, 15563, 31126, 436949, 873898, 1089607, 2179214, 86078953, 172157906]

約数ペア:

[(1, 172157906), (2, 86078953), (79, 2179214), (158, 1089607), (197, 873898), (394, 436949), (5531, 31126), (11062, 15563)]