31355909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 37793280

約数和(自身を除く): 6437371

約数列:

[1, 13, 19, 37, 47, 73, 247, 481, 611, 703, 893, 949, 1387, 1739, 2701, 3431, 9139, 11609, 18031, 22607, 33041, 35113, 44603, 51319, 65189, 126947, 429533, 667147, 847457, 1650311, 2411993, 31355909]

約数ペア:

[(1, 31355909), (13, 2411993), (19, 1650311), (37, 847457), (47, 667147), (73, 429533), (247, 126947), (481, 65189), (611, 51319), (703, 44603), (893, 35113), (949, 33041), (1387, 22607), (1739, 18031), (2701, 11609), (3431, 9139)]