81205504

素因数分解:

$2^8\times {\mathrm{317209}}^1$

素因数の和:317225

約数の個数: 18

約数和(自身を含む): 162094310

約数和(自身を除く): 80888806

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 317209, 634418, 1268836, 2537672, 5075344, 10150688, 20301376, 40602752, 81205504]

約数ペア:

[(1, 81205504), (2, 40602752), (4, 20301376), (8, 10150688), (16, 5075344), (32, 2537672), (64, 1268836), (128, 634418), (256, 317209)]