209958766

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 338722560

約数和(自身を除く): 128763794

約数列:

[1, 2, 23, 43, 46, 86, 179, 358, 593, 989, 1186, 1978, 4117, 7697, 8234, 13639, 15394, 25499, 27278, 50998, 106147, 177031, 212294, 354062, 586477, 1172954, 2441381, 4564321, 4882762, 9128642, 104979383, 209958766]

約数ペア:

[(1, 209958766), (2, 104979383), (23, 9128642), (43, 4882762), (46, 4564321), (86, 2441381), (179, 1172954), (358, 586477), (593, 354062), (989, 212294), (1186, 177031), (1978, 106147), (4117, 50998), (7697, 27278), (8234, 25499), (13639, 15394)]