13389761

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 18102528

約数和(自身を除く): 4712767

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 193, 371, 583, 901, 1309, 1351, 2123, 3281, 4081, 6307, 9911, 10229, 14861, 22967, 36091, 69377, 71603, 112519, 173893, 252637, 787633, 1217251, 1912823, 13389761]

約数ペア:

[(1, 13389761), (7, 1912823), (11, 1217251), (17, 787633), (53, 252637), (77, 173893), (119, 112519), (187, 71603), (193, 69377), (371, 36091), (583, 22967), (901, 14861), (1309, 10229), (1351, 9911), (2123, 6307), (3281, 4081)]