129628746

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1068

約数の個数: 72

約数和(自身を含む): 311515776

約数和(自身を除く): 181887030

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 169, 234, 258, 338, 387, 507, 559, 774, 991, 1014, 1118, 1521, 1677, 1982, 2973, 3042, 3354, 5031, 5946, 7267, 8919, 10062, 12883, 14534, 17838, 21801, 25766, 38649, 42613, 43602, 65403, 77298, 85226, 115947, 127839, 130806, 167479, 231894, 255678, 334958, 383517, 502437, 553969, 767034, 1004874, 1107938, 1507311, 1661907, 3014622, 3323814, 4985721, 7201597, 9971442, 14403194, 21604791, 43209582, 64814373, 129628746]

約数ペア:

[(1, 129628746), (2, 64814373), (3, 43209582), (6, 21604791), (9, 14403194), (13, 9971442), (18, 7201597), (26, 4985721), (39, 3323814), (43, 3014622), (78, 1661907), (86, 1507311), (117, 1107938), (129, 1004874), (169, 767034), (234, 553969), (258, 502437), (338, 383517), (387, 334958), (507, 255678), (559, 231894), (774, 167479), (991, 130806), (1014, 127839), (1118, 115947), (1521, 85226), (1677, 77298), (1982, 65403), (2973, 43602), (3042, 42613), (3354, 38649), (5031, 25766), (5946, 21801), (7267, 17838), (8919, 14534), (10062, 12883)]