28205386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67477}}^1$

素因数の和:67509

約数の個数: 16

約数和(自身を含む): 48584160

約数和(自身を除く): 20378774

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 67477, 134954, 742247, 1282063, 1484494, 2564126, 14102693, 28205386]

約数ペア:

[(1, 28205386), (2, 14102693), (11, 2564126), (19, 1484494), (22, 1282063), (38, 742247), (209, 134954), (418, 67477)]