257202952

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{4177}}^1$

素因数の和:4405

約数の個数: 32

約数和(自身を含む): 496346400

約数和(自身を除く): 239143448

約数列:

[1, 2, 4, 8, 43, 86, 172, 179, 344, 358, 716, 1432, 4177, 7697, 8354, 15394, 16708, 30788, 33416, 61576, 179611, 359222, 718444, 747683, 1436888, 1495366, 2990732, 5981464, 32150369, 64300738, 128601476, 257202952]

約数ペア:

[(1, 257202952), (2, 128601476), (4, 64300738), (8, 32150369), (43, 5981464), (86, 2990732), (172, 1495366), (179, 1436888), (344, 747683), (358, 718444), (716, 359222), (1432, 179611), (4177, 61576), (7697, 33416), (8354, 30788), (15394, 16708)]