81281808

素因数分解:

$2^4\times 3^2\times {\mathrm{564457}}^1$

素因数の和:564471

約数の個数: 30

約数和(自身を含む): 227476574

約数和(自身を除く): 146194766

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 564457, 1128914, 1693371, 2257828, 3386742, 4515656, 5080113, 6773484, 9031312, 10160226, 13546968, 20320452, 27093936, 40640904, 81281808]

約数ペア:

[(1, 81281808), (2, 40640904), (3, 27093936), (4, 20320452), (6, 13546968), (8, 10160226), (9, 9031312), (12, 6773484), (16, 5080113), (18, 4515656), (24, 3386742), (36, 2257828), (48, 1693371), (72, 1128914), (144, 564457)]