256220756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{26113}}^1$

素因数の和:26351

約数の個数: 24

約数和(自身を含む): 491361024

約数和(自身を除く): 235140268

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2453, 4906, 9812, 26113, 52226, 104452, 287243, 574486, 1148972, 5823199, 11646398, 23292796, 64055189, 128110378, 256220756]

約数ペア:

[(1, 256220756), (2, 128110378), (4, 64055189), (11, 23292796), (22, 11646398), (44, 5823199), (223, 1148972), (446, 574486), (892, 287243), (2453, 104452), (4906, 52226), (9812, 26113)]