131490868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 249359040

約数和(自身を除く): 117868172

約数列:

[1, 2, 4, 19, 38, 61, 76, 113, 122, 226, 244, 251, 452, 502, 1004, 1159, 2147, 2318, 4294, 4636, 4769, 6893, 8588, 9538, 13786, 15311, 19076, 27572, 28363, 30622, 56726, 61244, 113452, 130967, 261934, 290909, 523868, 538897, 581818, 1077794, 1163636, 1730143, 2155588, 3460286, 6920572, 32872717, 65745434, 131490868]

約数ペア:

[(1, 131490868), (2, 65745434), (4, 32872717), (19, 6920572), (38, 3460286), (61, 2155588), (76, 1730143), (113, 1163636), (122, 1077794), (226, 581818), (244, 538897), (251, 523868), (452, 290909), (502, 261934), (1004, 130967), (1159, 113452), (2147, 61244), (2318, 56726), (4294, 30622), (4636, 28363), (4769, 27572), (6893, 19076), (8588, 15311), (9538, 13786)]