261301504

素因数分解:

$2^8\times {\mathrm{1020709}}^1$

素因数の和:1020725

約数の個数: 18

約数和(自身を含む): 521582810

約数和(自身を除く): 260281306

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1020709, 2041418, 4082836, 8165672, 16331344, 32662688, 65325376, 130650752, 261301504]

約数ペア:

[(1, 261301504), (2, 130650752), (4, 65325376), (8, 32662688), (16, 16331344), (32, 8165672), (64, 4082836), (128, 2041418), (256, 1020709)]