12731225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 17415552

約数和(自身を除く): 4684327

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 911, 1075, 2795, 4555, 11843, 13975, 22775, 39173, 59215, 195865, 296075, 509249, 979325, 2546245, 12731225]

約数ペア:

[(1, 12731225), (5, 2546245), (13, 979325), (25, 509249), (43, 296075), (65, 195865), (215, 59215), (325, 39173), (559, 22775), (911, 13975), (1075, 11843), (2795, 4555)]