28179505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1361}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 35008848

約数和(自身を除く): 6829343

約数列:

[1, 5, 41, 101, 205, 505, 1361, 4141, 6805, 20705, 55801, 137461, 279005, 687305, 5635901, 28179505]

約数ペア:

[(1, 28179505), (5, 5635901), (41, 687305), (101, 279005), (205, 137461), (505, 55801), (1361, 20705), (4141, 6805)]