387963968

素因数分解:

$2^6\times 7^2\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:860

約数の個数: 84

約数和(自身を含む): 901602972

約数和(自身を除く): 513639004

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 193, 196, 224, 386, 392, 448, 641, 772, 784, 1282, 1351, 1544, 1568, 2564, 2702, 3088, 3136, 4487, 5128, 5404, 6176, 8974, 9457, 10256, 10808, 12352, 17948, 18914, 20512, 21616, 31409, 35896, 37828, 41024, 43232, 62818, 71792, 75656, 86464, 123713, 125636, 143584, 151312, 247426, 251272, 287168, 302624, 494852, 502544, 605248, 865991, 989704, 1005088, 1731982, 1979408, 2010176, 3463964, 3958816, 6061937, 6927928, 7917632, 12123874, 13855856, 24247748, 27711712, 48495496, 55423424, 96990992, 193981984, 387963968]

約数ペア:

[(1, 387963968), (2, 193981984), (4, 96990992), (7, 55423424), (8, 48495496), (14, 27711712), (16, 24247748), (28, 13855856), (32, 12123874), (49, 7917632), (56, 6927928), (64, 6061937), (98, 3958816), (112, 3463964), (193, 2010176), (196, 1979408), (224, 1731982), (386, 1005088), (392, 989704), (448, 865991), (641, 605248), (772, 502544), (784, 494852), (1282, 302624), (1351, 287168), (1544, 251272), (1568, 247426), (2564, 151312), (2702, 143584), (3088, 125636), (3136, 123713), (4487, 86464), (5128, 75656), (5404, 71792), (6176, 62818), (8974, 43232), (9457, 41024), (10256, 37828), (10808, 35896), (12352, 31409), (17948, 21616), (18914, 20512)]