28906878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4849

約数の個数: 64

約数和(自身を含む): 77640192

約数和(自身を除く): 48733314

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 4813, 6006, 9626, 14439, 28878, 33691, 52943, 62569, 67382, 101073, 105886, 125138, 158829, 187707, 202146, 317658, 370601, 375414, 437983, 688259, 741202, 875966, 1111803, 1313949, 1376518, 2064777, 2223606, 2627898, 4129554, 4817813, 9635626, 14453439, 28906878]

約数ペア:

[(1, 28906878), (2, 14453439), (3, 9635626), (6, 4817813), (7, 4129554), (11, 2627898), (13, 2223606), (14, 2064777), (21, 1376518), (22, 1313949), (26, 1111803), (33, 875966), (39, 741202), (42, 688259), (66, 437983), (77, 375414), (78, 370601), (91, 317658), (143, 202146), (154, 187707), (182, 158829), (231, 125138), (273, 105886), (286, 101073), (429, 67382), (462, 62569), (546, 52943), (858, 33691), (1001, 28878), (2002, 14439), (3003, 9626), (4813, 6006)]