2178899710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{728729}}^1$

素因数の和:728772

約数の個数: 32

約数和(自身を含む): 4407359040

約数和(自身を除く): 2228459330

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 728729, 1457458, 3643645, 7287290, 9473477, 16760767, 18946954, 33521534, 47367385, 83803835, 94734770, 167607670, 217889971, 435779942, 1089449855, 2178899710]

約数ペア:

[(1, 2178899710), (2, 1089449855), (5, 435779942), (10, 217889971), (13, 167607670), (23, 94734770), (26, 83803835), (46, 47367385), (65, 33521534), (115, 18946954), (130, 16760767), (230, 9473477), (299, 7287290), (598, 3643645), (1495, 1457458), (2990, 728729)]