78654618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 212889600

約数和(自身を除く): 134234982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 83, 109, 126, 138, 161, 166, 189, 207, 218, 249, 322, 327, 378, 414, 483, 498, 581, 621, 654, 747, 763, 966, 981, 1162, 1242, 1449, 1494, 1526, 1743, 1909, 1962, 2241, 2289, 2507, 2898, 2943, 3486, 3818, 4347, 4482, 4578, 5014, 5229, 5727, 5886, 6867, 7521, 8694, 9047, 10458, 11454, 13363, 13734, 15042, 15687, 17181, 17549, 18094, 20601, 22563, 26726, 27141, 31374, 34362, 35098, 40089, 41202, 45126, 51543, 52647, 54282, 63329, 67689, 80178, 81423, 103086, 105294, 120267, 126658, 135378, 157941, 162846, 189987, 208081, 240534, 244269, 315882, 360801, 379974, 416162, 473823, 488538, 569961, 624243, 721602, 947646, 1139922, 1248486, 1456567, 1709883, 1872729, 2913134, 3419766, 3745458, 4369701, 5618187, 8739402, 11236374, 13109103, 26218206, 39327309, 78654618]

約数ペア:

[(1, 78654618), (2, 39327309), (3, 26218206), (6, 13109103), (7, 11236374), (9, 8739402), (14, 5618187), (18, 4369701), (21, 3745458), (23, 3419766), (27, 2913134), (42, 1872729), (46, 1709883), (54, 1456567), (63, 1248486), (69, 1139922), (83, 947646), (109, 721602), (126, 624243), (138, 569961), (161, 488538), (166, 473823), (189, 416162), (207, 379974), (218, 360801), (249, 315882), (322, 244269), (327, 240534), (378, 208081), (414, 189987), (483, 162846), (498, 157941), (581, 135378), (621, 126658), (654, 120267), (747, 105294), (763, 103086), (966, 81423), (981, 80178), (1162, 67689), (1242, 63329), (1449, 54282), (1494, 52647), (1526, 51543), (1743, 45126), (1909, 41202), (1962, 40089), (2241, 35098), (2289, 34362), (2507, 31374), (2898, 27141), (2943, 26726), (3486, 22563), (3818, 20601), (4347, 18094), (4482, 17549), (4578, 17181), (5014, 15687), (5229, 15042), (5727, 13734), (5886, 13363), (6867, 11454), (7521, 10458), (8694, 9047)]