646713816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5399}}^1$

素因数の和:5469

約数の個数: 128

約数和(自身を含む): 1990656000

約数和(自身を除く): 1343942184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 31, 42, 46, 56, 62, 69, 84, 92, 93, 124, 138, 161, 168, 184, 186, 217, 248, 276, 322, 372, 434, 483, 552, 644, 651, 713, 744, 868, 966, 1288, 1302, 1426, 1736, 1932, 2139, 2604, 2852, 3864, 4278, 4991, 5208, 5399, 5704, 8556, 9982, 10798, 14973, 16197, 17112, 19964, 21596, 29946, 32394, 37793, 39928, 43192, 59892, 64788, 75586, 113379, 119784, 124177, 129576, 151172, 167369, 226758, 248354, 302344, 334738, 372531, 453516, 496708, 502107, 669476, 745062, 869239, 907032, 993416, 1004214, 1171583, 1338952, 1490124, 1738478, 2008428, 2343166, 2607717, 2980248, 3476956, 3514749, 3849487, 4016856, 4686332, 5215434, 6953912, 7029498, 7698974, 9372664, 10430868, 11548461, 14058996, 15397948, 20861736, 23096922, 26946409, 28117992, 30795896, 46193844, 53892818, 80839227, 92387688, 107785636, 161678454, 215571272, 323356908, 646713816]

約数ペア:

[(1, 646713816), (2, 323356908), (3, 215571272), (4, 161678454), (6, 107785636), (7, 92387688), (8, 80839227), (12, 53892818), (14, 46193844), (21, 30795896), (23, 28117992), (24, 26946409), (28, 23096922), (31, 20861736), (42, 15397948), (46, 14058996), (56, 11548461), (62, 10430868), (69, 9372664), (84, 7698974), (92, 7029498), (93, 6953912), (124, 5215434), (138, 4686332), (161, 4016856), (168, 3849487), (184, 3514749), (186, 3476956), (217, 2980248), (248, 2607717), (276, 2343166), (322, 2008428), (372, 1738478), (434, 1490124), (483, 1338952), (552, 1171583), (644, 1004214), (651, 993416), (713, 907032), (744, 869239), (868, 745062), (966, 669476), (1288, 502107), (1302, 496708), (1426, 453516), (1736, 372531), (1932, 334738), (2139, 302344), (2604, 248354), (2852, 226758), (3864, 167369), (4278, 151172), (4991, 129576), (5208, 124177), (5399, 119784), (5704, 113379), (8556, 75586), (9982, 64788), (10798, 59892), (14973, 43192), (16197, 39928), (17112, 37793), (19964, 32394), (21596, 29946)]