81259264

素因数分解:

$2^8\times {\mathrm{317419}}^1$

素因数の和:317435

約数の個数: 18

約数和(自身を含む): 162201620

約数和(自身を除く): 80942356

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 317419, 634838, 1269676, 2539352, 5078704, 10157408, 20314816, 40629632, 81259264]

約数ペア:

[(1, 81259264), (2, 40629632), (4, 20314816), (8, 10157408), (16, 5078704), (32, 2539352), (64, 1269676), (128, 634838), (256, 317419)]