390425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 583296

約数和(自身を除く): 192871

約数列:

[1, 5, 7, 23, 25, 35, 97, 115, 161, 175, 485, 575, 679, 805, 2231, 2425, 3395, 4025, 11155, 15617, 16975, 55775, 78085, 390425]

約数ペア:

[(1, 390425), (5, 78085), (7, 55775), (23, 16975), (25, 15617), (35, 11155), (97, 4025), (115, 3395), (161, 2425), (175, 2231), (485, 805), (575, 679)]