28907284

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 61841920

約数和(自身を除く): 32934636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 811, 938, 1273, 1622, 1876, 2546, 3244, 5092, 5677, 8911, 11354, 15409, 17822, 22708, 30818, 35644, 54337, 61636, 107863, 108674, 215726, 217348, 380359, 431452, 760718, 1032403, 1521436, 2064806, 4129612, 7226821, 14453642, 28907284]

約数ペア:

[(1, 28907284), (2, 14453642), (4, 7226821), (7, 4129612), (14, 2064806), (19, 1521436), (28, 1032403), (38, 760718), (67, 431452), (76, 380359), (133, 217348), (134, 215726), (266, 108674), (268, 107863), (469, 61636), (532, 54337), (811, 35644), (938, 30818), (1273, 22708), (1622, 17822), (1876, 15409), (2546, 11354), (3244, 8911), (5092, 5677)]