28209258

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20353}}^1$

素因数の和:20379

約数の個数: 48

約数和(自身を含む): 76205376

約数和(自身を除く): 47996118

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20353, 40706, 61059, 122118, 142471, 183177, 223883, 284942, 366354, 427413, 447766, 671649, 854826, 1282239, 1343298, 1567181, 2014947, 2564478, 3134362, 4029894, 4701543, 9403086, 14104629, 28209258]

約数ペア:

[(1, 28209258), (2, 14104629), (3, 9403086), (6, 4701543), (7, 4029894), (9, 3134362), (11, 2564478), (14, 2014947), (18, 1567181), (21, 1343298), (22, 1282239), (33, 854826), (42, 671649), (63, 447766), (66, 427413), (77, 366354), (99, 284942), (126, 223883), (154, 183177), (198, 142471), (231, 122118), (462, 61059), (693, 40706), (1386, 20353)]