409800872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{16487}}^1$

素因数の和:16745

約数の個数: 32

約数和(自身を含む): 830995200

約数和(自身を除く): 421194328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 3107, 6214, 12428, 16487, 24856, 32974, 65948, 131896, 214331, 428662, 857324, 1714648, 3940393, 7880786, 15761572, 31523144, 51225109, 102450218, 204900436, 409800872]

約数ペア:

[(1, 409800872), (2, 204900436), (4, 102450218), (8, 51225109), (13, 31523144), (26, 15761572), (52, 7880786), (104, 3940393), (239, 1714648), (478, 857324), (956, 428662), (1912, 214331), (3107, 131896), (6214, 65948), (12428, 32974), (16487, 24856)]