128418812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{8389}}^1$

素因数の和:8525

約数の個数: 24

約数和(自身を含む): 232570800

約数和(自身を除く): 104151988

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 3827, 7654, 8389, 15308, 16778, 33556, 360727, 721454, 746621, 1442908, 1493242, 2986484, 32104703, 64209406, 128418812]

約数ペア:

[(1, 128418812), (2, 64209406), (4, 32104703), (43, 2986484), (86, 1493242), (89, 1442908), (172, 746621), (178, 721454), (356, 360727), (3827, 33556), (7654, 16778), (8389, 15308)]