256863168

素因数分解:

$2^6\times 3^2\times {\mathrm{445943}}^1$

素因数の和:445961

約数の個数: 42

約数和(自身を含む): 736253544

約数和(自身を除く): 479390376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 445943, 891886, 1337829, 1783772, 2675658, 3567544, 4013487, 5351316, 7135088, 8026974, 10702632, 14270176, 16053948, 21405264, 28540352, 32107896, 42810528, 64215792, 85621056, 128431584, 256863168]

約数ペア:

[(1, 256863168), (2, 128431584), (3, 85621056), (4, 64215792), (6, 42810528), (8, 32107896), (9, 28540352), (12, 21405264), (16, 16053948), (18, 14270176), (24, 10702632), (32, 8026974), (36, 7135088), (48, 5351316), (64, 4013487), (72, 3567544), (96, 2675658), (144, 1783772), (192, 1337829), (288, 891886), (576, 445943)]