257691798

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157321}}^1$

素因数の和:157349

約数の個数: 48

約数和(自身を含む): 687182496

約数和(自身を除く): 429490698

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 157321, 314642, 471963, 943926, 1101247, 1415889, 2045173, 2202494, 2831778, 3303741, 4090346, 6135519, 6607482, 9911223, 12271038, 14316211, 18406557, 19822446, 28632422, 36813114, 42948633, 85897266, 128845899, 257691798]

約数ペア:

[(1, 257691798), (2, 128845899), (3, 85897266), (6, 42948633), (7, 36813114), (9, 28632422), (13, 19822446), (14, 18406557), (18, 14316211), (21, 12271038), (26, 9911223), (39, 6607482), (42, 6135519), (63, 4090346), (78, 3303741), (91, 2831778), (117, 2202494), (126, 2045173), (182, 1415889), (234, 1101247), (273, 943926), (546, 471963), (819, 314642), (1638, 157321)]