398220922

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{8353}}^1$

素因数の和:8574

約数の個数: 24

約数和(自身を含む): 659982708

約数和(自身を除く): 261761786

約数列:

[1, 2, 11, 22, 121, 197, 242, 394, 2167, 4334, 8353, 16706, 23837, 47674, 91883, 183766, 1010713, 1645541, 2021426, 3291082, 18100951, 36201902, 199110461, 398220922]

約数ペア:

[(1, 398220922), (2, 199110461), (11, 36201902), (22, 18100951), (121, 3291082), (197, 2021426), (242, 1645541), (394, 1010713), (2167, 183766), (4334, 91883), (8353, 47674), (16706, 23837)]