210922985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 40

約数和(自身を含む): 314855616

約数和(自身を除く): 103932631

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 211, 455, 845, 1055, 1183, 1477, 2197, 2743, 5915, 7385, 10985, 13715, 15379, 19201, 28561, 35659, 76895, 96005, 142805, 178295, 199927, 249613, 463567, 999635, 1248065, 2317835, 3244969, 6026371, 16224845, 30131855, 42184597, 210922985]

約数ペア:

[(1, 210922985), (5, 42184597), (7, 30131855), (13, 16224845), (35, 6026371), (65, 3244969), (91, 2317835), (169, 1248065), (211, 999635), (455, 463567), (845, 249613), (1055, 199927), (1183, 178295), (1477, 142805), (2197, 96005), (2743, 76895), (5915, 35659), (7385, 28561), (10985, 19201), (13715, 15379)]