177985025

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 225045120

約数和(自身を除く): 47060095

約数列:

[1, 5, 25, 79, 227, 395, 397, 1135, 1975, 1985, 5675, 9925, 17933, 31363, 89665, 90119, 156815, 448325, 450595, 784075, 2252975, 7119401, 35597005, 177985025]

約数ペア:

[(1, 177985025), (5, 35597005), (25, 7119401), (79, 2252975), (227, 784075), (395, 450595), (397, 448325), (1135, 156815), (1975, 90119), (1985, 89665), (5675, 31363), (9925, 17933)]