1557788608

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{84223}}^1$

素因数の和:84269

約数の個数: 42

約数和(自身を含む): 3283809536

約数和(自身を除く): 1726020928

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1088, 1156, 2312, 4624, 9248, 18496, 84223, 168446, 336892, 673784, 1347568, 1431791, 2695136, 2863582, 5390272, 5727164, 11454328, 22908656, 24340447, 45817312, 48680894, 91634624, 97361788, 194723576, 389447152, 778894304, 1557788608]

約数ペア:

[(1, 1557788608), (2, 778894304), (4, 389447152), (8, 194723576), (16, 97361788), (17, 91634624), (32, 48680894), (34, 45817312), (64, 24340447), (68, 22908656), (136, 11454328), (272, 5727164), (289, 5390272), (544, 2863582), (578, 2695136), (1088, 1431791), (1156, 1347568), (2312, 673784), (4624, 336892), (9248, 168446), (18496, 84223)]