28961478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17681}}^1$

素因数の和:17709

約数の個数: 48

約数和(自身を含む): 77234976

約数和(自身を除く): 48273498

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 17681, 35362, 53043, 106086, 123767, 159129, 229853, 247534, 318258, 371301, 459706, 689559, 742602, 1113903, 1379118, 1608971, 2068677, 2227806, 3217942, 4137354, 4826913, 9653826, 14480739, 28961478]

約数ペア:

[(1, 28961478), (2, 14480739), (3, 9653826), (6, 4826913), (7, 4137354), (9, 3217942), (13, 2227806), (14, 2068677), (18, 1608971), (21, 1379118), (26, 1113903), (39, 742602), (42, 689559), (63, 459706), (78, 371301), (91, 318258), (117, 247534), (126, 229853), (182, 159129), (234, 123767), (273, 106086), (546, 53043), (819, 35362), (1638, 17681)]