28965025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 40352080

約数和(自身を除く): 11387055

約数列:

[1, 5, 17, 19, 25, 85, 95, 211, 289, 323, 425, 475, 1055, 1445, 1615, 3587, 4009, 5275, 5491, 7225, 8075, 17935, 20045, 27455, 60979, 68153, 89675, 100225, 137275, 304895, 340765, 1158601, 1524475, 1703825, 5793005, 28965025]

約数ペア:

[(1, 28965025), (5, 5793005), (17, 1703825), (19, 1524475), (25, 1158601), (85, 340765), (95, 304895), (211, 137275), (289, 100225), (323, 89675), (425, 68153), (475, 60979), (1055, 27455), (1445, 20045), (1615, 17935), (3587, 8075), (4009, 7225), (5275, 5491)]