25869155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 36324288

約数和(自身を除く): 10455133

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 571, 697, 1105, 2665, 2855, 3485, 7423, 9061, 9707, 23411, 37115, 45305, 48535, 117055, 126191, 304343, 397987, 630955, 1521715, 1989935, 5173831, 25869155]

約数ペア:

[(1, 25869155), (5, 5173831), (13, 1989935), (17, 1521715), (41, 630955), (65, 397987), (85, 304343), (205, 126191), (221, 117055), (533, 48535), (571, 45305), (697, 37115), (1105, 23411), (2665, 9707), (2855, 9061), (3485, 7423)]