89891090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2833}}^1$

素因数の和:3026

約数の個数: 32

約数和(自身を含む): 171400320

約数和(自身を除く): 81509230

約数列:

[1, 2, 5, 10, 19, 38, 95, 167, 190, 334, 835, 1670, 2833, 3173, 5666, 6346, 14165, 15865, 28330, 31730, 53827, 107654, 269135, 473111, 538270, 946222, 2365555, 4731110, 8989109, 17978218, 44945545, 89891090]

約数ペア:

[(1, 89891090), (2, 44945545), (5, 17978218), (10, 8989109), (19, 4731110), (38, 2365555), (95, 946222), (167, 538270), (190, 473111), (334, 269135), (835, 107654), (1670, 53827), (2833, 31730), (3173, 28330), (5666, 15865), (6346, 14165)]