2640575

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 3809280

約数和(自身を除く): 1168705

約数列:

[1, 5, 7, 25, 35, 79, 175, 191, 395, 553, 955, 1337, 1975, 2765, 4775, 6685, 13825, 15089, 33425, 75445, 105623, 377225, 528115, 2640575]

約数ペア:

[(1, 2640575), (5, 528115), (7, 377225), (25, 105623), (35, 75445), (79, 33425), (175, 15089), (191, 13825), (395, 6685), (553, 4775), (955, 2765), (1337, 1975)]