28171130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 55036800

約数和(自身を除く): 26865670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1559, 1807, 3118, 3614, 7795, 9035, 15590, 18070, 20267, 40534, 101335, 202670, 216701, 433402, 1083505, 2167010, 2817113, 5634226, 14085565, 28171130]

約数ペア:

[(1, 28171130), (2, 14085565), (5, 5634226), (10, 2817113), (13, 2167010), (26, 1083505), (65, 433402), (130, 216701), (139, 202670), (278, 101335), (695, 40534), (1390, 20267), (1559, 18070), (1807, 15590), (3118, 9035), (3614, 7795)]