398232016

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1029

約数の個数: 120

約数和(自身を含む): 991202184

約数和(自身を除く): 592970168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 49, 52, 56, 82, 91, 98, 104, 112, 164, 182, 196, 208, 287, 328, 364, 392, 533, 574, 637, 656, 728, 784, 953, 1066, 1148, 1274, 1456, 1906, 2009, 2132, 2296, 2548, 3731, 3812, 4018, 4264, 4592, 5096, 6671, 7462, 7624, 8036, 8528, 10192, 12389, 13342, 14924, 15248, 16072, 24778, 26117, 26684, 29848, 32144, 39073, 46697, 49556, 52234, 53368, 59696, 78146, 86723, 93394, 99112, 104468, 106736, 156292, 173446, 186788, 198224, 208936, 273511, 312584, 346892, 373576, 417872, 507949, 547022, 607061, 625168, 693784, 747152, 1015898, 1094044, 1214122, 1387568, 1914577, 2031796, 2188088, 2428244, 3555643, 3829154, 4063592, 4376176, 4856488, 7111286, 7658308, 8127184, 9712976, 14222572, 15316616, 24889501, 28445144, 30633232, 49779002, 56890288, 99558004, 199116008, 398232016]

約数ペア:

[(1, 398232016), (2, 199116008), (4, 99558004), (7, 56890288), (8, 49779002), (13, 30633232), (14, 28445144), (16, 24889501), (26, 15316616), (28, 14222572), (41, 9712976), (49, 8127184), (52, 7658308), (56, 7111286), (82, 4856488), (91, 4376176), (98, 4063592), (104, 3829154), (112, 3555643), (164, 2428244), (182, 2188088), (196, 2031796), (208, 1914577), (287, 1387568), (328, 1214122), (364, 1094044), (392, 1015898), (533, 747152), (574, 693784), (637, 625168), (656, 607061), (728, 547022), (784, 507949), (953, 417872), (1066, 373576), (1148, 346892), (1274, 312584), (1456, 273511), (1906, 208936), (2009, 198224), (2132, 186788), (2296, 173446), (2548, 156292), (3731, 106736), (3812, 104468), (4018, 99112), (4264, 93394), (4592, 86723), (5096, 78146), (6671, 59696), (7462, 53368), (7624, 52234), (8036, 49556), (8528, 46697), (10192, 39073), (12389, 32144), (13342, 29848), (14924, 26684), (15248, 26117), (16072, 24778)]