2151689905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{306727}}^1$

素因数の和:306816

約数の個数: 16

約数和(自身を含む): 2738467584

約数和(自身を除く): 586777679

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 306727, 1533635, 7054721, 18710347, 35273605, 93551735, 430337981, 2151689905]

約数ペア:

[(1, 2151689905), (5, 430337981), (23, 93551735), (61, 35273605), (115, 18710347), (305, 7054721), (1403, 1533635), (7015, 306727)]