156980369

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{877}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 197581608

約数和(自身を除く): 40601239

約数列:

[1, 7, 13, 49, 91, 281, 637, 877, 1967, 3653, 6139, 11401, 13769, 25571, 42973, 79807, 178997, 246437, 558649, 1725059, 3203681, 12075413, 22425767, 156980369]

約数ペア:

[(1, 156980369), (7, 22425767), (13, 12075413), (49, 3203681), (91, 1725059), (281, 558649), (637, 246437), (877, 178997), (1967, 79807), (3653, 42973), (6139, 25571), (11401, 13769)]