388875474

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1661861}}^1$

素因数の和:1661882

約数の個数: 24

約数和(自身を含む): 907376652

約数和(自身を除く): 518501178

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1661861, 3323722, 4985583, 9971166, 14956749, 21604193, 29913498, 43208386, 64812579, 129625158, 194437737, 388875474]

約数ペア:

[(1, 388875474), (2, 194437737), (3, 129625158), (6, 64812579), (9, 43208386), (13, 29913498), (18, 21604193), (26, 14956749), (39, 9971166), (78, 4985583), (117, 3323722), (234, 1661861)]