998045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1271808

約数和(自身を除く): 273763

約数列:

[1, 5, 31, 47, 137, 155, 235, 685, 1457, 4247, 6439, 7285, 21235, 32195, 199609, 998045]

約数ペア:

[(1, 998045), (5, 199609), (31, 32195), (47, 21235), (137, 7285), (155, 6439), (235, 4247), (685, 1457)]