138355854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 357654528

約数和(自身を除く): 219298674

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 71, 78, 83, 86, 91, 129, 142, 166, 182, 213, 249, 258, 273, 301, 426, 497, 498, 546, 559, 581, 602, 903, 923, 994, 1079, 1118, 1162, 1491, 1677, 1743, 1806, 1846, 2158, 2769, 2982, 3053, 3237, 3354, 3486, 3569, 3913, 5538, 5893, 6106, 6461, 6474, 7138, 7553, 7826, 9159, 10707, 11739, 11786, 12922, 15106, 17679, 18318, 19383, 21371, 21414, 22659, 23478, 24983, 35358, 38766, 39689, 41251, 42742, 45318, 46397, 49966, 64113, 74949, 76609, 79378, 82502, 92794, 119067, 123753, 128226, 139191, 149898, 153218, 229827, 238134, 247506, 253399, 277823, 278382, 324779, 459654, 506798, 536263, 555646, 649558, 760197, 833469, 974337, 1072526, 1520394, 1608789, 1666938, 1773793, 1948674, 3217578, 3294187, 3547586, 5321379, 6588374, 9882561, 10642758, 19765122, 23059309, 46118618, 69177927, 138355854]

約数ペア:

[(1, 138355854), (2, 69177927), (3, 46118618), (6, 23059309), (7, 19765122), (13, 10642758), (14, 9882561), (21, 6588374), (26, 5321379), (39, 3547586), (42, 3294187), (43, 3217578), (71, 1948674), (78, 1773793), (83, 1666938), (86, 1608789), (91, 1520394), (129, 1072526), (142, 974337), (166, 833469), (182, 760197), (213, 649558), (249, 555646), (258, 536263), (273, 506798), (301, 459654), (426, 324779), (497, 278382), (498, 277823), (546, 253399), (559, 247506), (581, 238134), (602, 229827), (903, 153218), (923, 149898), (994, 139191), (1079, 128226), (1118, 123753), (1162, 119067), (1491, 92794), (1677, 82502), (1743, 79378), (1806, 76609), (1846, 74949), (2158, 64113), (2769, 49966), (2982, 46397), (3053, 45318), (3237, 42742), (3354, 41251), (3486, 39689), (3569, 38766), (3913, 35358), (5538, 24983), (5893, 23478), (6106, 22659), (6461, 21414), (6474, 21371), (7138, 19383), (7553, 18318), (7826, 17679), (9159, 15106), (10707, 12922), (11739, 11786)]