256887146

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{9721}}^1$

素因数の和:9977

約数の個数: 16

約数和(自身を含む): 392807688

約数和(自身を除く): 135920542

約数列:

[1, 2, 73, 146, 181, 362, 9721, 13213, 19442, 26426, 709633, 1419266, 1759501, 3519002, 128443573, 256887146]

約数ペア:

[(1, 256887146), (2, 128443573), (73, 3519002), (146, 1759501), (181, 1419266), (362, 709633), (9721, 26426), (13213, 19442)]