667049344

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{400871}}^1$

素因数の和:400898

約数の個数: 32

約数和(自身を含む): 1431113040

約数和(自身を除く): 764063696

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 400871, 801742, 1603484, 3206968, 5211323, 6413936, 10422646, 12827872, 20845292, 25655744, 41690584, 51311488, 83381168, 166762336, 333524672, 667049344]

約数ペア:

[(1, 667049344), (2, 333524672), (4, 166762336), (8, 83381168), (13, 51311488), (16, 41690584), (26, 25655744), (32, 20845292), (52, 12827872), (64, 10422646), (104, 6413936), (128, 5211323), (208, 3206968), (416, 1603484), (832, 801742), (1664, 400871)]