31219958

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{28961}}^1$

素因数の和:28988

約数の個数: 24

約数和(自身を含む): 59430024

約数和(自身を除く): 28210066

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 28961, 57922, 202727, 318571, 405454, 637142, 1419089, 2229997, 2838178, 4459994, 15609979, 31219958]

約数ペア:

[(1, 31219958), (2, 15609979), (7, 4459994), (11, 2838178), (14, 2229997), (22, 1419089), (49, 637142), (77, 405454), (98, 318571), (154, 202727), (539, 57922), (1078, 28961)]