28887425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7177}}^1$

素因数の和:7217

約数の個数: 24

約数和(自身を含む): 42723456

約数和(自身を除く): 13836031

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 7177, 35885, 50239, 165071, 179425, 251195, 825355, 1155497, 1255975, 4126775, 5777485, 28887425]

約数ペア:

[(1, 28887425), (5, 5777485), (7, 4126775), (23, 1255975), (25, 1155497), (35, 825355), (115, 251195), (161, 179425), (175, 165071), (575, 50239), (805, 35885), (4025, 7177)]