989826032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{153509}}^1$

素因数の和:153561

約数の個数: 40

約数和(自身を含む): 2131946880

約数和(自身を除く): 1142120848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 153509, 307018, 614036, 1228072, 1995617, 2456144, 3991234, 4758779, 7982468, 9517558, 15964936, 19035116, 31929872, 38070232, 61864127, 76140464, 123728254, 247456508, 494913016, 989826032]

約数ペア:

[(1, 989826032), (2, 494913016), (4, 247456508), (8, 123728254), (13, 76140464), (16, 61864127), (26, 38070232), (31, 31929872), (52, 19035116), (62, 15964936), (104, 9517558), (124, 7982468), (208, 4758779), (248, 3991234), (403, 2456144), (496, 1995617), (806, 1228072), (1612, 614036), (3224, 307018), (6448, 153509)]