209965735

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{5323}}^1$

素因数の和:5372

約数の個数: 32

約数和(自身を含む): 306662400

約数和(自身を除く): 96696665

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 805, 1127, 1715, 5323, 5635, 7889, 26615, 37261, 39445, 122429, 186305, 260827, 612145, 857003, 1304135, 1825789, 4285015, 5999021, 9128945, 29995105, 41993147, 209965735]

約数ペア:

[(1, 209965735), (5, 41993147), (7, 29995105), (23, 9128945), (35, 5999021), (49, 4285015), (115, 1825789), (161, 1304135), (245, 857003), (343, 612145), (805, 260827), (1127, 186305), (1715, 122429), (5323, 39445), (5635, 37261), (7889, 26615)]