208311175

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 262951920

約数和(自身を除く): 54640745

約数列:

[1, 5, 25, 89, 251, 373, 445, 1255, 1865, 2225, 6275, 9325, 22339, 33197, 93623, 111695, 165985, 468115, 558475, 829925, 2340575, 8332447, 41662235, 208311175]

約数ペア:

[(1, 208311175), (5, 41662235), (25, 8332447), (89, 2340575), (251, 829925), (373, 558475), (445, 468115), (1255, 165985), (1865, 111695), (2225, 93623), (6275, 33197), (9325, 22339)]