281427146

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8269}}^1$

素因数の和:8319

約数の個数: 64

約数和(自身を含む): 600203520

約数和(自身を除く): 318776374

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 374, 442, 1001, 1309, 1547, 2002, 2431, 2618, 3094, 4862, 8269, 16538, 17017, 34034, 57883, 90959, 107497, 115766, 140573, 181918, 214994, 281146, 636713, 752479, 984011, 1182467, 1273426, 1504958, 1546303, 1827449, 1968022, 2364934, 3092606, 3654898, 8277269, 10824121, 12792143, 16554538, 20101939, 21648242, 25584286, 40203878, 140713573, 281427146]

約数ペア:

[(1, 281427146), (2, 140713573), (7, 40203878), (11, 25584286), (13, 21648242), (14, 20101939), (17, 16554538), (22, 12792143), (26, 10824121), (34, 8277269), (77, 3654898), (91, 3092606), (119, 2364934), (143, 1968022), (154, 1827449), (182, 1546303), (187, 1504958), (221, 1273426), (238, 1182467), (286, 984011), (374, 752479), (442, 636713), (1001, 281146), (1309, 214994), (1547, 181918), (2002, 140573), (2431, 115766), (2618, 107497), (3094, 90959), (4862, 57883), (8269, 34034), (16538, 17017)]