400845952

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{240893}}^1$

素因数の和:240920

約数の個数: 32

約数和(自身を含む): 859991580

約数和(自身を除く): 459145628

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 240893, 481786, 963572, 1927144, 3131609, 3854288, 6263218, 7708576, 12526436, 15417152, 25052872, 30834304, 50105744, 100211488, 200422976, 400845952]

約数ペア:

[(1, 400845952), (2, 200422976), (4, 100211488), (8, 50105744), (13, 30834304), (16, 25052872), (26, 15417152), (32, 12526436), (52, 7708576), (64, 6263218), (104, 3854288), (128, 3131609), (208, 1927144), (416, 963572), (832, 481786), (1664, 240893)]