1388891878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 2295021600

約数和(自身を除く): 906129722

約数列:

[1, 2, 11, 22, 149, 298, 641, 661, 1282, 1322, 1639, 3278, 7051, 7271, 14102, 14542, 95509, 98489, 191018, 196978, 423701, 847402, 1050599, 1083379, 2101198, 2166758, 4660711, 9321422, 63131449, 126262898, 694445939, 1388891878]

約数ペア:

[(1, 1388891878), (2, 694445939), (11, 126262898), (22, 63131449), (149, 9321422), (298, 4660711), (641, 2166758), (661, 2101198), (1282, 1083379), (1322, 1050599), (1639, 847402), (3278, 423701), (7051, 196978), (7271, 191018), (14102, 98489), (14542, 95509)]