1720921345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{32971}}^1$

素因数の和:33073

約数の個数: 32

約数和(自身を含む): 2459447424

約数和(自身を除く): 738526079

約数列:

[1, 5, 11, 13, 55, 65, 73, 143, 365, 715, 803, 949, 4015, 4745, 10439, 32971, 52195, 164855, 362681, 428623, 1813405, 2143115, 2406883, 4714853, 12034415, 23574265, 26475713, 31289479, 132378565, 156447395, 344184269, 1720921345]

約数ペア:

[(1, 1720921345), (5, 344184269), (11, 156447395), (13, 132378565), (55, 31289479), (65, 26475713), (73, 23574265), (143, 12034415), (365, 4714853), (715, 2406883), (803, 2143115), (949, 1813405), (4015, 428623), (4745, 362681), (10439, 164855), (32971, 52195)]