2478385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 3689280

約数和(自身を除く): 1210895

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 419, 455, 845, 1183, 2095, 2933, 5447, 5915, 14665, 27235, 38129, 70811, 190645, 354055, 495677, 2478385]

約数ペア:

[(1, 2478385), (5, 495677), (7, 354055), (13, 190645), (35, 70811), (65, 38129), (91, 27235), (169, 14665), (419, 5915), (455, 5447), (845, 2933), (1183, 2095)]