287809938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1229957}}^1$

素因数の和:1229978

約数の個数: 24

約数和(自身を含む): 671557068

約数和(自身を除く): 383747130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1229957, 2459914, 3689871, 7379742, 11069613, 15989441, 22139226, 31978882, 47968323, 95936646, 143904969, 287809938]

約数ペア:

[(1, 287809938), (2, 143904969), (3, 95936646), (6, 47968323), (9, 31978882), (13, 22139226), (18, 15989441), (26, 11069613), (39, 7379742), (78, 3689871), (117, 2459914), (234, 1229957)]