28649270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7109}}^1$

素因数の和:7160

約数の個数: 32

約数和(自身を含む): 57335040

約数和(自身を除く): 28685770

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7109, 14218, 35545, 71090, 92417, 184834, 220379, 440758, 462085, 924170, 1101895, 2203790, 2864927, 5729854, 14324635, 28649270]

約数ペア:

[(1, 28649270), (2, 14324635), (5, 5729854), (10, 2864927), (13, 2203790), (26, 1101895), (31, 924170), (62, 462085), (65, 440758), (130, 220379), (155, 184834), (310, 92417), (403, 71090), (806, 35545), (2015, 14218), (4030, 7109)]