87734590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1129}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 166788000

約数和(自身を除く): 79053410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 409, 818, 1129, 2045, 2258, 4090, 5645, 7771, 11290, 15542, 21451, 38855, 42902, 77710, 107255, 214510, 461761, 923522, 2308805, 4617610, 8773459, 17546918, 43867295, 87734590]

約数ペア:

[(1, 87734590), (2, 43867295), (5, 17546918), (10, 8773459), (19, 4617610), (38, 2308805), (95, 923522), (190, 461761), (409, 214510), (818, 107255), (1129, 77710), (2045, 42902), (2258, 38855), (4090, 21451), (5645, 15542), (7771, 11290)]