16277905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 23698944

約数和(自身を除く): 7421039

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 277, 365, 511, 805, 1385, 1679, 1939, 2555, 6371, 8395, 9695, 11753, 20221, 31855, 44597, 58765, 101105, 141547, 222985, 465083, 707735, 2325415, 3255581, 16277905]

約数ペア:

[(1, 16277905), (5, 3255581), (7, 2325415), (23, 707735), (35, 465083), (73, 222985), (115, 141547), (161, 101105), (277, 58765), (365, 44597), (511, 31855), (805, 20221), (1385, 11753), (1679, 9695), (1939, 8395), (2555, 6371)]