257629376

素因数分解:

$2^6\times {\mathrm{1889}}^1\times {\mathrm{2131}}^1$

素因数の和:4032

約数の個数: 28

約数和(自身を含む): 511743960

約数和(自身を除く): 254114584

約数列:

[1, 2, 4, 8, 16, 32, 64, 1889, 2131, 3778, 4262, 7556, 8524, 15112, 17048, 30224, 34096, 60448, 68192, 120896, 136384, 4025459, 8050918, 16101836, 32203672, 64407344, 128814688, 257629376]

約数ペア:

[(1, 257629376), (2, 128814688), (4, 64407344), (8, 32203672), (16, 16101836), (32, 8050918), (64, 4025459), (1889, 136384), (2131, 120896), (3778, 68192), (4262, 60448), (7556, 34096), (8524, 30224), (15112, 17048)]