259988652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1420

約数の個数: 144

約数和(自身を含む): 831527424

約数和(自身を除く): 571538772

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 71, 77, 84, 99, 126, 132, 142, 154, 198, 213, 231, 252, 284, 308, 396, 426, 462, 497, 639, 693, 781, 852, 924, 994, 1278, 1321, 1386, 1491, 1562, 1988, 2343, 2556, 2642, 2772, 2982, 3124, 3963, 4473, 4686, 5284, 5467, 5964, 7029, 7926, 8946, 9247, 9372, 10934, 11889, 14058, 14531, 15852, 16401, 17892, 18494, 21868, 23778, 27741, 28116, 29062, 32802, 36988, 43593, 47556, 49203, 55482, 58124, 65604, 83223, 87186, 93791, 98406, 101717, 110964, 130779, 166446, 174372, 187582, 196812, 203434, 261558, 281373, 305151, 332892, 375164, 406868, 523116, 562746, 610302, 656537, 844119, 915453, 1031701, 1125492, 1220604, 1313074, 1688238, 1830906, 1969611, 2063402, 2626148, 3095103, 3376476, 3661812, 3939222, 4126804, 5908833, 6190206, 7221907, 7878444, 9285309, 11817666, 12380412, 14443814, 18570618, 21665721, 23635332, 28887628, 37141236, 43331442, 64997163, 86662884, 129994326, 259988652]

約数ペア:

[(1, 259988652), (2, 129994326), (3, 86662884), (4, 64997163), (6, 43331442), (7, 37141236), (9, 28887628), (11, 23635332), (12, 21665721), (14, 18570618), (18, 14443814), (21, 12380412), (22, 11817666), (28, 9285309), (33, 7878444), (36, 7221907), (42, 6190206), (44, 5908833), (63, 4126804), (66, 3939222), (71, 3661812), (77, 3376476), (84, 3095103), (99, 2626148), (126, 2063402), (132, 1969611), (142, 1830906), (154, 1688238), (198, 1313074), (213, 1220604), (231, 1125492), (252, 1031701), (284, 915453), (308, 844119), (396, 656537), (426, 610302), (462, 562746), (497, 523116), (639, 406868), (693, 375164), (781, 332892), (852, 305151), (924, 281373), (994, 261558), (1278, 203434), (1321, 196812), (1386, 187582), (1491, 174372), (1562, 166446), (1988, 130779), (2343, 110964), (2556, 101717), (2642, 98406), (2772, 93791), (2982, 87186), (3124, 83223), (3963, 65604), (4473, 58124), (4686, 55482), (5284, 49203), (5467, 47556), (5964, 43593), (7029, 36988), (7926, 32802), (8946, 29062), (9247, 28116), (9372, 27741), (10934, 23778), (11889, 21868), (14058, 18494), (14531, 17892), (15852, 16401)]