221720512

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{266491}}^1$

素因数の和:266516

約数の個数: 28

約数和(自身を含む): 473822776

約数和(自身を除く): 252102264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 266491, 532982, 1065964, 2131928, 3464383, 4263856, 6928766, 8527712, 13857532, 17055424, 27715064, 55430128, 110860256, 221720512]

約数ペア:

[(1, 221720512), (2, 110860256), (4, 55430128), (8, 27715064), (13, 17055424), (16, 13857532), (26, 8527712), (32, 6928766), (52, 4263856), (64, 3464383), (104, 2131928), (208, 1065964), (416, 532982), (832, 266491)]