655616

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:226

約数の個数: 36

約数和(自身を含む): 1416492

約数和(自身を除く): 760876

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 197, 208, 256, 394, 416, 788, 832, 1576, 1664, 2561, 3152, 3328, 5122, 6304, 10244, 12608, 20488, 25216, 40976, 50432, 81952, 163904, 327808, 655616]

約数ペア:

[(1, 655616), (2, 327808), (4, 163904), (8, 81952), (13, 50432), (16, 40976), (26, 25216), (32, 20488), (52, 12608), (64, 10244), (104, 6304), (128, 5122), (197, 3328), (208, 3152), (256, 2561), (394, 1664), (416, 1576), (788, 832)]