428031118

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1\times {\mathrm{3889}}^1$

素因数の和:4491

約数の個数: 16

約数和(自身を含む): 649225440

約数和(自身を除く): 221194322

約数列:

[1, 2, 113, 226, 487, 974, 3889, 7778, 55031, 110062, 439457, 878914, 1893943, 3787886, 214015559, 428031118]

約数ペア:

[(1, 428031118), (2, 214015559), (113, 3787886), (226, 1893943), (487, 878914), (974, 439457), (3889, 110062), (7778, 55031)]