7240688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4973}}^1$

素因数の和:5001

約数の個数: 40

約数和(自身を含む): 17269728

約数和(自身を除く): 10029040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 4973, 9946, 19892, 34811, 39784, 64649, 69622, 79568, 129298, 139244, 258596, 278488, 452543, 517192, 556976, 905086, 1034384, 1810172, 3620344, 7240688]

約数ペア:

[(1, 7240688), (2, 3620344), (4, 1810172), (7, 1034384), (8, 905086), (13, 556976), (14, 517192), (16, 452543), (26, 278488), (28, 258596), (52, 139244), (56, 129298), (91, 79568), (104, 69622), (112, 64649), (182, 39784), (208, 34811), (364, 19892), (728, 9946), (1456, 4973)]