28247128

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 69521760

約数和(自身を除く): 41274632

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 161, 182, 184, 196, 241, 299, 322, 364, 392, 482, 598, 637, 644, 728, 964, 1127, 1196, 1274, 1288, 1687, 1928, 2093, 2254, 2392, 2548, 3133, 3374, 4186, 4508, 5096, 5543, 6266, 6748, 8372, 9016, 11086, 11809, 12532, 13496, 14651, 16744, 21931, 22172, 23618, 25064, 29302, 38801, 43862, 44344, 47236, 58604, 72059, 77602, 87724, 94472, 117208, 144118, 153517, 155204, 175448, 271607, 288236, 307034, 310408, 504413, 543214, 576472, 614068, 1008826, 1086428, 1228136, 2017652, 2172856, 3530891, 4035304, 7061782, 14123564, 28247128]

約数ペア:

[(1, 28247128), (2, 14123564), (4, 7061782), (7, 4035304), (8, 3530891), (13, 2172856), (14, 2017652), (23, 1228136), (26, 1086428), (28, 1008826), (46, 614068), (49, 576472), (52, 543214), (56, 504413), (91, 310408), (92, 307034), (98, 288236), (104, 271607), (161, 175448), (182, 155204), (184, 153517), (196, 144118), (241, 117208), (299, 94472), (322, 87724), (364, 77602), (392, 72059), (482, 58604), (598, 47236), (637, 44344), (644, 43862), (728, 38801), (964, 29302), (1127, 25064), (1196, 23618), (1274, 22172), (1288, 21931), (1687, 16744), (1928, 14651), (2093, 13496), (2254, 12532), (2392, 11809), (2548, 11086), (3133, 9016), (3374, 8372), (4186, 6748), (4508, 6266), (5096, 5543)]