12988030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1752

約数の個数: 32

約数和(自身を含む): 25878528

約数和(自身を除く): 12890498

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 1663, 3326, 3905, 7810, 8315, 16630, 18293, 36586, 91465, 118073, 182930, 236146, 590365, 1180730, 1298803, 2597606, 6494015, 12988030]

約数ペア:

[(1, 12988030), (2, 6494015), (5, 2597606), (10, 1298803), (11, 1180730), (22, 590365), (55, 236146), (71, 182930), (110, 118073), (142, 91465), (355, 36586), (710, 18293), (781, 16630), (1562, 8315), (1663, 7810), (3326, 3905)]