820890044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{16427}}^1$

素因数の和:16506

約数の個数: 36

約数和(自身を含む): 1598674392

約数和(自身を除く): 777784348

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 961, 1612, 1922, 3844, 12493, 16427, 24986, 32854, 49972, 65708, 213551, 427102, 509237, 854204, 1018474, 2036948, 6620081, 13240162, 15786347, 26480324, 31572694, 63145388, 205222511, 410445022, 820890044]

約数ペア:

[(1, 820890044), (2, 410445022), (4, 205222511), (13, 63145388), (26, 31572694), (31, 26480324), (52, 15786347), (62, 13240162), (124, 6620081), (403, 2036948), (806, 1018474), (961, 854204), (1612, 509237), (1922, 427102), (3844, 213551), (12493, 65708), (16427, 49972), (24986, 32854)]