31196165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 21445627

約数列:

[1, 5, 7, 11, 13, 23, 35, 55, 65, 77, 91, 115, 143, 161, 253, 271, 299, 385, 455, 715, 805, 1001, 1265, 1355, 1495, 1771, 1897, 2093, 2981, 3289, 3523, 5005, 6233, 8855, 9485, 10465, 14905, 16445, 17615, 20867, 23023, 24661, 31165, 38753, 43631, 68563, 81029, 104335, 115115, 123305, 193765, 218155, 271271, 342815, 405145, 479941, 567203, 891319, 1356355, 2399705, 2836015, 4456595, 6239233, 31196165]

約数ペア:

[(1, 31196165), (5, 6239233), (7, 4456595), (11, 2836015), (13, 2399705), (23, 1356355), (35, 891319), (55, 567203), (65, 479941), (77, 405145), (91, 342815), (115, 271271), (143, 218155), (161, 193765), (253, 123305), (271, 115115), (299, 104335), (385, 81029), (455, 68563), (715, 43631), (805, 38753), (1001, 31165), (1265, 24661), (1355, 23023), (1495, 20867), (1771, 17615), (1897, 16445), (2093, 14905), (2981, 10465), (3289, 9485), (3523, 8855), (5005, 6233)]