31877704

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 60984000

約数和(自身を除く): 29106296

約数列:

[1, 2, 4, 8, 109, 139, 218, 263, 278, 436, 526, 556, 872, 1052, 1112, 2104, 15151, 28667, 30302, 36557, 57334, 60604, 73114, 114668, 121208, 146228, 229336, 292456, 3984713, 7969426, 15938852, 31877704]

約数ペア:

[(1, 31877704), (2, 15938852), (4, 7969426), (8, 3984713), (109, 292456), (139, 229336), (218, 146228), (263, 121208), (278, 114668), (436, 73114), (526, 60604), (556, 57334), (872, 36557), (1052, 30302), (1112, 28667), (2104, 15151)]