647488

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:230

約数の個数: 28

約数和(自身を含む): 1312672

約数和(自身を除く): 665184

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 151, 268, 302, 536, 604, 1072, 1208, 2144, 2416, 4288, 4832, 9664, 10117, 20234, 40468, 80936, 161872, 323744, 647488]

約数ペア:

[(1, 647488), (2, 323744), (4, 161872), (8, 80936), (16, 40468), (32, 20234), (64, 10117), (67, 9664), (134, 4832), (151, 4288), (268, 2416), (302, 2144), (536, 1208), (604, 1072)]