331380575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18133}}^1$

素因数の和:18203

約数の個数: 24

約数和(自身を含む): 445225968

約数和(自身を除く): 113845393

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 18133, 18275, 90665, 308261, 453325, 779719, 1541305, 3898595, 7706525, 13255223, 19492975, 66276115, 331380575]

約数ペア:

[(1, 331380575), (5, 66276115), (17, 19492975), (25, 13255223), (43, 7706525), (85, 3898595), (215, 1541305), (425, 779719), (731, 453325), (1075, 308261), (3655, 90665), (18133, 18275)]