13816439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 18332160

約数和(自身を除く): 4515721

約数列:

[1, 7, 13, 19, 61, 91, 131, 133, 247, 427, 793, 917, 1159, 1703, 1729, 2489, 5551, 7991, 8113, 11921, 15067, 17423, 32357, 55937, 103883, 105469, 151829, 226499, 727181, 1062803, 1973777, 13816439]

約数ペア:

[(1, 13816439), (7, 1973777), (13, 1062803), (19, 727181), (61, 226499), (91, 151829), (131, 105469), (133, 103883), (247, 55937), (427, 32357), (793, 17423), (917, 15067), (1159, 11921), (1703, 8113), (1729, 7991), (2489, 5551)]