215538908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{133709}}^1$

素因数の和:133757

約数の個数: 24

約数和(自身を含む): 419314560

約数和(自身を除く): 203775652

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 133709, 267418, 534836, 1738217, 3476434, 4144979, 6952868, 8289958, 16579916, 53884727, 107769454, 215538908]

約数ペア:

[(1, 215538908), (2, 107769454), (4, 53884727), (13, 16579916), (26, 8289958), (31, 6952868), (52, 4144979), (62, 3476434), (124, 1738217), (403, 534836), (806, 267418), (1612, 133709)]