164240395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 220340736

約数和(自身を除く): 56100341

約数列:

[1, 5, 11, 55, 71, 137, 307, 355, 685, 781, 1507, 1535, 3377, 3905, 7535, 9727, 16885, 21797, 42059, 48635, 106997, 108985, 210295, 239767, 462649, 534985, 1198835, 2313245, 2986189, 14930945, 32848079, 164240395]

約数ペア:

[(1, 164240395), (5, 32848079), (11, 14930945), (55, 2986189), (71, 2313245), (137, 1198835), (307, 534985), (355, 462649), (685, 239767), (781, 210295), (1507, 108985), (1535, 106997), (3377, 48635), (3905, 42059), (7535, 21797), (9727, 16885)]