64781019128

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1\times {\mathrm{619}}^1$

素因数の和:1381

約数の個数: 128

約数和(自身を含む): 148201228800

約数和(自身を除く): 83420209672

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 211, 238, 422, 476, 521, 619, 844, 952, 1042, 1238, 1477, 1688, 2084, 2476, 2954, 3587, 3647, 4168, 4333, 4952, 5908, 7174, 7294, 8666, 8857, 10523, 11816, 14348, 14588, 17332, 17714, 21046, 25109, 28696, 29176, 34664, 35428, 42092, 50218, 61999, 70856, 73661, 84184, 100436, 109931, 123998, 130609, 147322, 200872, 219862, 247996, 261218, 294644, 322499, 439724, 495992, 522436, 589288, 644998, 769517, 879448, 914263, 1044872, 1289996, 1539034, 1828526, 1868827, 2220353, 2257493, 2579992, 3078068, 3657052, 3737654, 4440706, 4514986, 5482483, 6156136, 7314104, 7475308, 8881412, 9029972, 10964966, 13081789, 14950616, 15542471, 17762824, 18059944, 21929932, 26163578, 31084942, 38377381, 43859864, 52327156, 62169884, 68047289, 76754762, 104654312, 124339768, 136094578, 153509524, 272189156, 307019048, 476331023, 544378312, 952662046, 1156803913, 1905324092, 2313607826, 3810648184, 4627215652, 8097627391, 9254431304, 16195254782, 32390509564, 64781019128]

約数ペア:

[(1, 64781019128), (2, 32390509564), (4, 16195254782), (7, 9254431304), (8, 8097627391), (14, 4627215652), (17, 3810648184), (28, 2313607826), (34, 1905324092), (56, 1156803913), (68, 952662046), (119, 544378312), (136, 476331023), (211, 307019048), (238, 272189156), (422, 153509524), (476, 136094578), (521, 124339768), (619, 104654312), (844, 76754762), (952, 68047289), (1042, 62169884), (1238, 52327156), (1477, 43859864), (1688, 38377381), (2084, 31084942), (2476, 26163578), (2954, 21929932), (3587, 18059944), (3647, 17762824), (4168, 15542471), (4333, 14950616), (4952, 13081789), (5908, 10964966), (7174, 9029972), (7294, 8881412), (8666, 7475308), (8857, 7314104), (10523, 6156136), (11816, 5482483), (14348, 4514986), (14588, 4440706), (17332, 3737654), (17714, 3657052), (21046, 3078068), (25109, 2579992), (28696, 2257493), (29176, 2220353), (34664, 1868827), (35428, 1828526), (42092, 1539034), (50218, 1289996), (61999, 1044872), (70856, 914263), (73661, 879448), (84184, 769517), (100436, 644998), (109931, 589288), (123998, 522436), (130609, 495992), (147322, 439724), (200872, 322499), (219862, 294644), (247996, 261218)]