16825025

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 24165120

約数和(自身を除く): 7340095

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1217, 1975, 2765, 6085, 8519, 13825, 30425, 42595, 96143, 212975, 480715, 673001, 2403575, 3365005, 16825025]

約数ペア:

[(1, 16825025), (5, 3365005), (7, 2403575), (25, 673001), (35, 480715), (79, 212975), (175, 96143), (395, 42595), (553, 30425), (1217, 13825), (1975, 8519), (2765, 6085)]