1780454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 24

約数和(自身を含む): 3033408

約数和(自身を除く): 1252954

約数列:

[1, 2, 13, 26, 31, 47, 62, 94, 403, 611, 806, 1222, 1457, 2209, 2914, 4418, 18941, 28717, 37882, 57434, 68479, 136958, 890227, 1780454]

約数ペア:

[(1, 1780454), (2, 890227), (13, 136958), (26, 68479), (31, 57434), (47, 37882), (62, 28717), (94, 18941), (403, 4418), (611, 2914), (806, 2209), (1222, 1457)]