28154204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8081}}^1$

素因数の和:8165

約数の個数: 24

約数和(自身を含む): 53858448

約数和(自身を除く): 25704244

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 8081, 16162, 32324, 105053, 210106, 420212, 541427, 1082854, 2165708, 7038551, 14077102, 28154204]

約数ペア:

[(1, 28154204), (2, 14077102), (4, 7038551), (13, 2165708), (26, 1082854), (52, 541427), (67, 420212), (134, 210106), (268, 105053), (871, 32324), (1742, 16162), (3484, 8081)]