2156257816

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{5189}}^1$

素因数の和:5731

約数の個数: 32

約数和(自身を含む): 4085568000

約数和(自身を除く): 1929310184

約数列:

[1, 2, 4, 8, 127, 254, 409, 508, 818, 1016, 1636, 3272, 5189, 10378, 20756, 41512, 51943, 103886, 207772, 415544, 659003, 1318006, 2122301, 2636012, 4244602, 5272024, 8489204, 16978408, 269532227, 539064454, 1078128908, 2156257816]

約数ペア:

[(1, 2156257816), (2, 1078128908), (4, 539064454), (8, 269532227), (127, 16978408), (254, 8489204), (409, 5272024), (508, 4244602), (818, 2636012), (1016, 2122301), (1636, 1318006), (3272, 659003), (5189, 415544), (10378, 207772), (20756, 103886), (41512, 51943)]