280858476

素因数分解:

$2^2\times 3^1\times {\mathrm{1987}}^1\times {\mathrm{11779}}^1$

素因数の和:13773

約数の個数: 24

約数和(自身を含む): 655721920

約数和(自身を除く): 374863444

約数列:

[1, 2, 3, 4, 6, 12, 1987, 3974, 5961, 7948, 11779, 11922, 23558, 23844, 35337, 47116, 70674, 141348, 23404873, 46809746, 70214619, 93619492, 140429238, 280858476]

約数ペア:

[(1, 280858476), (2, 140429238), (3, 93619492), (4, 70214619), (6, 46809746), (12, 23404873), (1987, 141348), (3974, 70674), (5961, 47116), (7948, 35337), (11779, 23844), (11922, 23558)]