2009067008

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{301843}}^1$

素因数の和:301874

約数の個数: 40

約数和(自身を含む): 4323009768

約数和(自身を除く): 2313942760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 301843, 603686, 1207372, 2414744, 3923959, 4829488, 7847918, 9658976, 15695836, 19317952, 31391672, 38635904, 62783344, 77271808, 125566688, 154543616, 251133376, 502266752, 1004533504, 2009067008]

約数ペア:

[(1, 2009067008), (2, 1004533504), (4, 502266752), (8, 251133376), (13, 154543616), (16, 125566688), (26, 77271808), (32, 62783344), (52, 38635904), (64, 31391672), (104, 19317952), (128, 15695836), (208, 9658976), (256, 7847918), (416, 4829488), (512, 3923959), (832, 2414744), (1664, 1207372), (3328, 603686), (6656, 301843)]