251067376

素因数分解:

$2^4\times 7^2\times {\mathrm{320239}}^1$

素因数の和:320261

約数の個数: 30

約数和(自身を含む): 565864080

約数和(自身を除く): 314796704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 320239, 640478, 1280956, 2241673, 2561912, 4483346, 5123824, 8966692, 15691711, 17933384, 31383422, 35866768, 62766844, 125533688, 251067376]

約数ペア:

[(1, 251067376), (2, 125533688), (4, 62766844), (7, 35866768), (8, 31383422), (14, 17933384), (16, 15691711), (28, 8966692), (49, 5123824), (56, 4483346), (98, 2561912), (112, 2241673), (196, 1280956), (392, 640478), (784, 320239)]