13111925

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 16873920

約数和(自身を除く): 3761995

約数列:

[1, 5, 25, 71, 83, 89, 355, 415, 445, 1775, 2075, 2225, 5893, 6319, 7387, 29465, 31595, 36935, 147325, 157975, 184675, 524477, 2622385, 13111925]

約数ペア:

[(1, 13111925), (5, 2622385), (25, 524477), (71, 184675), (83, 157975), (89, 147325), (355, 36935), (415, 31595), (445, 29465), (1775, 7387), (2075, 6319), (2225, 5893)]