258889696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{622331}}^1$

素因数の和:622354

約数の個数: 24

約数和(自身を含む): 548896824

約数和(自身を除く): 290007128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 622331, 1244662, 2489324, 4978648, 8090303, 9957296, 16180606, 19914592, 32361212, 64722424, 129444848, 258889696]

約数ペア:

[(1, 258889696), (2, 129444848), (4, 64722424), (8, 32361212), (13, 19914592), (16, 16180606), (26, 9957296), (32, 8090303), (52, 4978648), (104, 2489324), (208, 1244662), (416, 622331)]