641570508

素因数分解:

$2^2\times 3^2\times {\mathrm{1987}}^1\times {\mathrm{8969}}^1$

素因数の和:10966

約数の個数: 36

約数和(自身を含む): 1622744760

約数和(自身を除く): 981174252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1987, 3974, 5961, 7948, 8969, 11922, 17883, 17938, 23844, 26907, 35766, 35876, 53814, 71532, 80721, 107628, 161442, 322884, 17821403, 35642806, 53464209, 71285612, 106928418, 160392627, 213856836, 320785254, 641570508]

約数ペア:

[(1, 641570508), (2, 320785254), (3, 213856836), (4, 160392627), (6, 106928418), (9, 71285612), (12, 53464209), (18, 35642806), (36, 17821403), (1987, 322884), (3974, 161442), (5961, 107628), (7948, 80721), (8969, 71532), (11922, 53814), (17883, 35876), (17938, 35766), (23844, 26907)]