1966975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 2656080

約数和(自身を除く): 689105

約数列:

[1, 5, 19, 25, 41, 95, 101, 205, 475, 505, 779, 1025, 1919, 2525, 3895, 4141, 9595, 19475, 20705, 47975, 78679, 103525, 393395, 1966975]

約数ペア:

[(1, 1966975), (5, 393395), (19, 103525), (25, 78679), (41, 47975), (95, 20705), (101, 19475), (205, 9595), (475, 4141), (505, 3895), (779, 2525), (1025, 1919)]