31431685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 9936635

約数列:

[1, 5, 23, 37, 83, 89, 115, 185, 415, 445, 851, 1909, 2047, 3071, 3293, 4255, 7387, 9545, 10235, 15355, 16465, 36935, 70633, 75739, 169901, 273319, 353165, 378695, 849505, 1366595, 6286337, 31431685]

約数ペア:

[(1, 31431685), (5, 6286337), (23, 1366595), (37, 849505), (83, 378695), (89, 353165), (115, 273319), (185, 169901), (415, 75739), (445, 70633), (851, 36935), (1909, 16465), (2047, 15355), (3071, 10235), (3293, 9545), (4255, 7387)]