257072536

素因数分解:

$2^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{10651}}^1$

素因数の和:11095

約数の個数: 32

約数和(自身を含む): 552199680

約数和(自身を除く): 295127144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 431, 862, 1724, 3017, 3448, 6034, 10651, 12068, 21302, 24136, 42604, 74557, 85208, 149114, 298228, 596456, 4590581, 9181162, 18362324, 32134067, 36724648, 64268134, 128536268, 257072536]

約数ペア:

[(1, 257072536), (2, 128536268), (4, 64268134), (7, 36724648), (8, 32134067), (14, 18362324), (28, 9181162), (56, 4590581), (431, 596456), (862, 298228), (1724, 149114), (3017, 85208), (3448, 74557), (6034, 42604), (10651, 24136), (12068, 21302)]