255981446

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{2099}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 454809600

約数和(自身を除く): 198828154

約数列:

[1, 2, 7, 14, 31, 62, 217, 281, 434, 562, 1967, 2099, 3934, 4198, 8711, 14693, 17422, 29386, 60977, 65069, 121954, 130138, 455483, 589819, 910966, 1179638, 4128733, 8257466, 18284389, 36568778, 127990723, 255981446]

約数ペア:

[(1, 255981446), (2, 127990723), (7, 36568778), (14, 18284389), (31, 8257466), (62, 4128733), (217, 1179638), (281, 910966), (434, 589819), (562, 455483), (1967, 130138), (2099, 121954), (3934, 65069), (4198, 60977), (8711, 29386), (14693, 17422)]