197451205

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4021}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 287267328

約数和(自身を除く): 89816123

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1403, 2135, 4021, 7015, 9821, 20105, 28147, 49105, 92483, 140735, 245281, 462415, 647381, 1226405, 1716967, 3236905, 5641463, 8584835, 28207315, 39490241, 197451205]

約数ペア:

[(1, 197451205), (5, 39490241), (7, 28207315), (23, 8584835), (35, 5641463), (61, 3236905), (115, 1716967), (161, 1226405), (305, 647381), (427, 462415), (805, 245281), (1403, 140735), (2135, 92483), (4021, 49105), (7015, 28147), (9821, 20105)]