840892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 1610336

約数和(自身を除く): 769444

約数列:

[1, 2, 4, 13, 26, 52, 103, 157, 206, 314, 412, 628, 1339, 2041, 2678, 4082, 5356, 8164, 16171, 32342, 64684, 210223, 420446, 840892]

約数ペア:

[(1, 840892), (2, 420446), (4, 210223), (13, 64684), (26, 32342), (52, 16171), (103, 8164), (157, 5356), (206, 4082), (314, 2678), (412, 2041), (628, 1339)]