638932572

素因数分解:

$2^2\times 3^2\times {\mathrm{1657}}^1\times {\mathrm{10711}}^1$

素因数の和:12378

約数の個数: 36

約数和(自身を含む): 1616205136

約数和(自身を除く): 977272564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1657, 3314, 4971, 6628, 9942, 10711, 14913, 19884, 21422, 29826, 32133, 42844, 59652, 64266, 96399, 128532, 192798, 385596, 17748127, 35496254, 53244381, 70992508, 106488762, 159733143, 212977524, 319466286, 638932572]

約数ペア:

[(1, 638932572), (2, 319466286), (3, 212977524), (4, 159733143), (6, 106488762), (9, 70992508), (12, 53244381), (18, 35496254), (36, 17748127), (1657, 385596), (3314, 192798), (4971, 128532), (6628, 96399), (9942, 64266), (10711, 59652), (14913, 42844), (19884, 32133), (21422, 29826)]