28862575

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 12384785

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 917, 1259, 3275, 4585, 6295, 8813, 22925, 31475, 44065, 164929, 220325, 824645, 1154503, 4123225, 5772515, 28862575]

約数ペア:

[(1, 28862575), (5, 5772515), (7, 4123225), (25, 1154503), (35, 824645), (131, 220325), (175, 164929), (655, 44065), (917, 31475), (1259, 22925), (3275, 8813), (4585, 6295)]