2197825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 3283520

約数和(自身を除く): 1085695

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 661, 665, 3305, 3325, 4627, 12559, 16525, 23135, 62795, 87913, 115675, 313975, 439565, 2197825]

約数ペア:

[(1, 2197825), (5, 439565), (7, 313975), (19, 115675), (25, 87913), (35, 62795), (95, 23135), (133, 16525), (175, 12559), (475, 4627), (661, 3325), (665, 3305)]