28803978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 73731840

約数和(自身を除く): 44927862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 181, 189, 362, 378, 421, 543, 842, 1086, 1263, 1267, 1629, 2526, 2534, 2947, 3258, 3789, 3801, 4887, 5894, 7578, 7602, 8841, 9774, 11367, 11403, 17682, 22734, 22806, 26523, 34209, 53046, 68418, 76201, 79569, 152402, 159138, 228603, 457206, 533407, 685809, 1066814, 1371618, 1600221, 2057427, 3200442, 4114854, 4800663, 9601326, 14401989, 28803978]

約数ペア:

[(1, 28803978), (2, 14401989), (3, 9601326), (6, 4800663), (7, 4114854), (9, 3200442), (14, 2057427), (18, 1600221), (21, 1371618), (27, 1066814), (42, 685809), (54, 533407), (63, 457206), (126, 228603), (181, 159138), (189, 152402), (362, 79569), (378, 76201), (421, 68418), (543, 53046), (842, 34209), (1086, 26523), (1263, 22806), (1267, 22734), (1629, 17682), (2526, 11403), (2534, 11367), (2947, 9774), (3258, 8841), (3789, 7602), (3801, 7578), (4887, 5894)]