681917912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{6823}}^1$

素因数の和:6904

約数の個数: 48

約数和(自身を含む): 1423008720

約数和(自身を除く): 741090808

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 961, 1612, 1922, 3224, 3844, 6823, 7688, 12493, 13646, 24986, 27292, 49972, 54584, 88699, 99944, 177398, 211513, 354796, 423026, 709592, 846052, 1692104, 2749669, 5499338, 6556903, 10998676, 13113806, 21997352, 26227612, 52455224, 85239739, 170479478, 340958956, 681917912]

約数ペア:

[(1, 681917912), (2, 340958956), (4, 170479478), (8, 85239739), (13, 52455224), (26, 26227612), (31, 21997352), (52, 13113806), (62, 10998676), (104, 6556903), (124, 5499338), (248, 2749669), (403, 1692104), (806, 846052), (961, 709592), (1612, 423026), (1922, 354796), (3224, 211513), (3844, 177398), (6823, 99944), (7688, 88699), (12493, 54584), (13646, 49972), (24986, 27292)]