129786678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2621}}^1$

素因数の和:2770

約数の個数: 64

約数和(自身を含む): 332259840

約数和(自身を除く): 202473162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 393, 786, 917, 1179, 1834, 2358, 2621, 2751, 3537, 5242, 5502, 7074, 7863, 8253, 15726, 16506, 18347, 23589, 24759, 36694, 47178, 49518, 55041, 70767, 110082, 141534, 165123, 330246, 343351, 495369, 686702, 990738, 1030053, 2060106, 2403457, 3090159, 4806914, 6180318, 7210371, 9270477, 14420742, 18540954, 21631113, 43262226, 64893339, 129786678]

約数ペア:

[(1, 129786678), (2, 64893339), (3, 43262226), (6, 21631113), (7, 18540954), (9, 14420742), (14, 9270477), (18, 7210371), (21, 6180318), (27, 4806914), (42, 3090159), (54, 2403457), (63, 2060106), (126, 1030053), (131, 990738), (189, 686702), (262, 495369), (378, 343351), (393, 330246), (786, 165123), (917, 141534), (1179, 110082), (1834, 70767), (2358, 55041), (2621, 49518), (2751, 47178), (3537, 36694), (5242, 24759), (5502, 23589), (7074, 18347), (7863, 16506), (8253, 15726)]