9967825

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 14701440

約数和(自身を除く): 4733615

約数列:

[1, 5, 7, 25, 35, 49, 79, 103, 175, 245, 395, 515, 553, 721, 1225, 1975, 2575, 2765, 3605, 3871, 5047, 8137, 13825, 18025, 19355, 25235, 40685, 56959, 96775, 126175, 203425, 284795, 398713, 1423975, 1993565, 9967825]

約数ペア:

[(1, 9967825), (5, 1993565), (7, 1423975), (25, 398713), (35, 284795), (49, 203425), (79, 126175), (103, 96775), (175, 56959), (245, 40685), (395, 25235), (515, 19355), (553, 18025), (721, 13825), (1225, 8137), (1975, 5047), (2575, 3871), (2765, 3605)]