86697025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 114735960

約数和(自身を除く): 28038935

約数列:

[1, 5, 17, 25, 85, 137, 425, 685, 1489, 2329, 3425, 7445, 11645, 25313, 37225, 58225, 126565, 203993, 632825, 1019965, 3467881, 5099825, 17339405, 86697025]

約数ペア:

[(1, 86697025), (5, 17339405), (17, 5099825), (25, 3467881), (85, 1019965), (137, 632825), (425, 203993), (685, 126565), (1489, 58225), (2329, 37225), (3425, 25313), (7445, 11645)]