9788975

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 14461128

約数和(自身を除く): 4672153

約数列:

[1, 5, 7, 25, 35, 49, 61, 131, 175, 245, 305, 427, 655, 917, 1225, 1525, 2135, 2989, 3275, 4585, 6419, 7991, 10675, 14945, 22925, 32095, 39955, 55937, 74725, 160475, 199775, 279685, 391559, 1398425, 1957795, 9788975]

約数ペア:

[(1, 9788975), (5, 1957795), (7, 1398425), (25, 391559), (35, 279685), (49, 199775), (61, 160475), (131, 74725), (175, 55937), (245, 39955), (305, 32095), (427, 22925), (655, 14945), (917, 10675), (1225, 7991), (1525, 6419), (2135, 4585), (2989, 3275)]