1996172912139

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{262231}}^1$

素因数の和:262476

約数の個数: 64

約数和(自身を含む): 3187465623552

約数和(自身を除く): 1191292711413

約数列:

[1, 3, 7, 21, 37, 97, 101, 111, 259, 291, 303, 679, 707, 777, 2037, 2121, 3589, 3737, 9797, 10767, 11211, 25123, 26159, 29391, 68579, 75369, 78477, 205737, 262231, 362489, 786693, 1087467, 1835617, 2537423, 5506851, 7612269, 9702547, 25436407, 26485331, 29107641, 67917829, 76309221, 79455993, 178054849, 185397317, 203753487, 534164547, 556191951, 941147059, 979957247, 2569077107, 2823441177, 2939871741, 6588029413, 6859700729, 7707231321, 17983539749, 19764088239, 20579102187, 53950619247, 95055852959, 285167558877, 665390970713, 1996172912139]

約数ペア:

[(1, 1996172912139), (3, 665390970713), (7, 285167558877), (21, 95055852959), (37, 53950619247), (97, 20579102187), (101, 19764088239), (111, 17983539749), (259, 7707231321), (291, 6859700729), (303, 6588029413), (679, 2939871741), (707, 2823441177), (777, 2569077107), (2037, 979957247), (2121, 941147059), (3589, 556191951), (3737, 534164547), (9797, 203753487), (10767, 185397317), (11211, 178054849), (25123, 79455993), (26159, 76309221), (29391, 67917829), (68579, 29107641), (75369, 26485331), (78477, 25436407), (205737, 9702547), (262231, 7612269), (362489, 5506851), (786693, 2537423), (1087467, 1835617)]