256957776

素因数分解:

$2^4\times 3^2\times {\mathrm{1784429}}^1$

素因数の和:1784443

約数の個数: 30

約数和(自身を含む): 719125290

約数和(自身を除く): 462167514

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1784429, 3568858, 5353287, 7137716, 10706574, 14275432, 16059861, 21413148, 28550864, 32119722, 42826296, 64239444, 85652592, 128478888, 256957776]

約数ペア:

[(1, 256957776), (2, 128478888), (3, 85652592), (4, 64239444), (6, 42826296), (8, 32119722), (9, 28550864), (12, 21413148), (16, 16059861), (18, 14275432), (24, 10706574), (36, 7137716), (48, 5353287), (72, 3568858), (144, 1784429)]