1388790738

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1118189}}^1$

素因数の和:1118223

約数の個数: 32

約数和(自身を含む): 3220387200

約数和(自身を除く): 1831596462

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 1118189, 2236378, 3354567, 6709134, 10063701, 20127402, 25718347, 30191103, 51436694, 60382206, 77155041, 154310082, 231465123, 462930246, 694395369, 1388790738]

約数ペア:

[(1, 1388790738), (2, 694395369), (3, 462930246), (6, 231465123), (9, 154310082), (18, 77155041), (23, 60382206), (27, 51436694), (46, 30191103), (54, 25718347), (69, 20127402), (138, 10063701), (207, 6709134), (414, 3354567), (621, 2236378), (1242, 1118189)]