258742016

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{77747}}^1$

素因数の和:77776

約数の個数: 36

約数和(自身を含む): 556209192

約数和(自身を除く): 297467176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 77747, 155494, 310988, 621976, 1010711, 1243952, 2021422, 2487904, 4042844, 4975808, 8085688, 9951616, 16171376, 19903232, 32342752, 64685504, 129371008, 258742016]

約数ペア:

[(1, 258742016), (2, 129371008), (4, 64685504), (8, 32342752), (13, 19903232), (16, 16171376), (26, 9951616), (32, 8085688), (52, 4975808), (64, 4042844), (104, 2487904), (128, 2021422), (208, 1243952), (256, 1010711), (416, 621976), (832, 310988), (1664, 155494), (3328, 77747)]