256875008

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{38593}}^1$

素因数の和:38624

約数の個数: 40

約数和(自身を含む): 552743268

約数和(自身を除く): 295868260

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 38593, 77186, 154372, 308744, 501709, 617488, 1003418, 1234976, 2006836, 2469952, 4013672, 4939904, 8027344, 9879808, 16054688, 19759616, 32109376, 64218752, 128437504, 256875008]

約数ペア:

[(1, 256875008), (2, 128437504), (4, 64218752), (8, 32109376), (13, 19759616), (16, 16054688), (26, 9879808), (32, 8027344), (52, 4939904), (64, 4013672), (104, 2469952), (128, 2006836), (208, 1234976), (256, 1003418), (416, 617488), (512, 501709), (832, 308744), (1664, 154372), (3328, 77186), (6656, 38593)]