128639230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13007}}^1$

素因数の和:13080

約数の個数: 32

約数和(自身を含む): 247256064

約数和(自身を除く): 118616834

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 13007, 26014, 65035, 130070, 299161, 559301, 598322, 1118602, 1495805, 2796505, 2991610, 5593010, 12863923, 25727846, 64319615, 128639230]

約数ペア:

[(1, 128639230), (2, 64319615), (5, 25727846), (10, 12863923), (23, 5593010), (43, 2991610), (46, 2796505), (86, 1495805), (115, 1118602), (215, 598322), (230, 559301), (430, 299161), (989, 130070), (1978, 65035), (4945, 26014), (9890, 13007)]