256956623

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 328734720

約数和(自身を除く): 71778097

約数列:

[1, 7, 11, 59, 77, 163, 347, 413, 649, 1141, 1793, 2429, 3817, 4543, 9617, 12551, 20473, 26719, 56561, 67319, 105787, 143311, 225203, 395927, 622171, 740509, 1576421, 3337099, 4355197, 23359693, 36708089, 256956623]

約数ペア:

[(1, 256956623), (7, 36708089), (11, 23359693), (59, 4355197), (77, 3337099), (163, 1576421), (347, 740509), (413, 622171), (649, 395927), (1141, 225203), (1793, 143311), (2429, 105787), (3817, 67319), (4543, 56561), (9617, 26719), (12551, 20473)]