2660266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 4901760

約数和(自身を除く): 2241494

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 137, 146, 266, 274, 511, 959, 1022, 1387, 1918, 2603, 2774, 5206, 9709, 10001, 18221, 19418, 20002, 36442, 70007, 140014, 190019, 380038, 1330133, 2660266]

約数ペア:

[(1, 2660266), (2, 1330133), (7, 380038), (14, 190019), (19, 140014), (38, 70007), (73, 36442), (133, 20002), (137, 19418), (146, 18221), (266, 10001), (274, 9709), (511, 5206), (959, 2774), (1022, 2603), (1387, 1918)]