28388976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7681}}^1$

素因数の和:7710

約数の個数: 80

約数和(自身を含む): 91446528

約数和(自身を除く): 63057552

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 7681, 15362, 23043, 30724, 46086, 53767, 61448, 84491, 92172, 107534, 122896, 161301, 168982, 184344, 215068, 253473, 322602, 337964, 368688, 430136, 506946, 591437, 645204, 675928, 860272, 1013892, 1182874, 1290408, 1351856, 1774311, 2027784, 2365748, 2580816, 3548622, 4055568, 4731496, 7097244, 9462992, 14194488, 28388976]

約数ペア:

[(1, 28388976), (2, 14194488), (3, 9462992), (4, 7097244), (6, 4731496), (7, 4055568), (8, 3548622), (11, 2580816), (12, 2365748), (14, 2027784), (16, 1774311), (21, 1351856), (22, 1290408), (24, 1182874), (28, 1013892), (33, 860272), (42, 675928), (44, 645204), (48, 591437), (56, 506946), (66, 430136), (77, 368688), (84, 337964), (88, 322602), (112, 253473), (132, 215068), (154, 184344), (168, 168982), (176, 161301), (231, 122896), (264, 107534), (308, 92172), (336, 84491), (462, 61448), (528, 53767), (616, 46086), (924, 30724), (1232, 23043), (1848, 15362), (3696, 7681)]