256416104

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{20533}}^1$

素因数の和:20769

約数の個数: 32

約数和(自身を含む): 551953920

約数和(自身を除く): 295537816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 20533, 41066, 82132, 143731, 164264, 287462, 574924, 1149848, 4578859, 9157718, 18315436, 32052013, 36630872, 64104026, 128208052, 256416104]

約数ペア:

[(1, 256416104), (2, 128208052), (4, 64104026), (7, 36630872), (8, 32052013), (14, 18315436), (28, 9157718), (56, 4578859), (223, 1149848), (446, 574924), (892, 287462), (1561, 164264), (1784, 143731), (3122, 82132), (6244, 41066), (12488, 20533)]