291238506

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1244609}}^1$

素因数の和:1244630

約数の個数: 24

約数和(自身を含む): 679557060

約数和(自身を除く): 388318554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1244609, 2489218, 3733827, 7467654, 11201481, 16179917, 22402962, 32359834, 48539751, 97079502, 145619253, 291238506]

約数ペア:

[(1, 291238506), (2, 145619253), (3, 97079502), (6, 48539751), (9, 32359834), (13, 22402962), (18, 16179917), (26, 11201481), (39, 7467654), (78, 3733827), (117, 2489218), (234, 1244609)]