128121424

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2551}}^1$

素因数の和:2675

約数の個数: 40

約数和(自身を含む): 257588672

約数和(自身を除く): 129467248

約数列:

[1, 2, 4, 8, 16, 43, 73, 86, 146, 172, 292, 344, 584, 688, 1168, 2551, 3139, 5102, 6278, 10204, 12556, 20408, 25112, 40816, 50224, 109693, 186223, 219386, 372446, 438772, 744892, 877544, 1489784, 1755088, 2979568, 8007589, 16015178, 32030356, 64060712, 128121424]

約数ペア:

[(1, 128121424), (2, 64060712), (4, 32030356), (8, 16015178), (16, 8007589), (43, 2979568), (73, 1755088), (86, 1489784), (146, 877544), (172, 744892), (292, 438772), (344, 372446), (584, 219386), (688, 186223), (1168, 109693), (2551, 50224), (3139, 40816), (5102, 25112), (6278, 20408), (10204, 12556)]