2780213905

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2739127}}^1$

素因数の和:2739168

約数の個数: 16

約数和(自身を含む): 3944344320

約数和(自身を除く): 1164130415

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 2739127, 13695635, 19173889, 79434683, 95869445, 397173415, 556042781, 2780213905]

約数ペア:

[(1, 2780213905), (5, 556042781), (7, 397173415), (29, 95869445), (35, 79434683), (145, 19173889), (203, 13695635), (1015, 2739127)]