206442145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{64817}}^1$

素因数の和:64849

約数の個数: 24

約数和(自身を含む): 310348584

約数和(自身を除く): 103906439

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 64817, 324085, 453719, 842621, 2268595, 3176033, 4213105, 5898347, 15880165, 29491735, 41288429, 206442145]

約数ペア:

[(1, 206442145), (5, 41288429), (7, 29491735), (13, 15880165), (35, 5898347), (49, 4213105), (65, 3176033), (91, 2268595), (245, 842621), (455, 453719), (637, 324085), (3185, 64817)]