85864205

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 120890880

約数和(自身を除く): 35026675

約数列:

[1, 5, 7, 35, 71, 109, 317, 355, 497, 545, 763, 1585, 2219, 2485, 3815, 7739, 11095, 22507, 34553, 38695, 54173, 112535, 157549, 172765, 241871, 270865, 787745, 1209355, 2453263, 12266315, 17172841, 85864205]

約数ペア:

[(1, 85864205), (5, 17172841), (7, 12266315), (35, 2453263), (71, 1209355), (109, 787745), (317, 270865), (355, 241871), (497, 172765), (545, 157549), (763, 112535), (1585, 54173), (2219, 38695), (2485, 34553), (3815, 22507), (7739, 11095)]