28395325

素因数分解:

$5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 40483520

約数和(自身を除く): 12088195

約数列:

[1, 5, 7, 25, 35, 175, 211, 769, 1055, 1477, 3845, 5275, 5383, 7385, 19225, 26915, 36925, 134575, 162259, 811295, 1135813, 4056475, 5679065, 28395325]

約数ペア:

[(1, 28395325), (5, 5679065), (7, 4056475), (25, 1135813), (35, 811295), (175, 162259), (211, 134575), (769, 36925), (1055, 26915), (1477, 19225), (3845, 7385), (5275, 5383)]