978224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4703}}^1$

素因数の和:4724

約数の個数: 20

約数和(自身を含む): 2041536

約数和(自身を除く): 1063312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4703, 9406, 18812, 37624, 61139, 75248, 122278, 244556, 489112, 978224]

約数ペア:

[(1, 978224), (2, 489112), (4, 244556), (8, 122278), (13, 75248), (16, 61139), (26, 37624), (52, 18812), (104, 9406), (208, 4703)]