139439104

素因数分解:

$2^{10}\times 7^3\times {\mathrm{397}}^1$

素因数の和:438

約数の個数: 88

約数和(自身を含む): 325882400

約数和(自身を除く): 186443296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 397, 448, 512, 686, 784, 794, 896, 1024, 1372, 1568, 1588, 1792, 2744, 2779, 3136, 3176, 3584, 5488, 5558, 6272, 6352, 7168, 10976, 11116, 12544, 12704, 19453, 21952, 22232, 25088, 25408, 38906, 43904, 44464, 50176, 50816, 77812, 87808, 88928, 101632, 136171, 155624, 175616, 177856, 203264, 272342, 311248, 351232, 355712, 406528, 544684, 622496, 711424, 1089368, 1244992, 1422848, 2178736, 2489984, 2845696, 4357472, 4979968, 8714944, 9959936, 17429888, 19919872, 34859776, 69719552, 139439104]

約数ペア:

[(1, 139439104), (2, 69719552), (4, 34859776), (7, 19919872), (8, 17429888), (14, 9959936), (16, 8714944), (28, 4979968), (32, 4357472), (49, 2845696), (56, 2489984), (64, 2178736), (98, 1422848), (112, 1244992), (128, 1089368), (196, 711424), (224, 622496), (256, 544684), (343, 406528), (392, 355712), (397, 351232), (448, 311248), (512, 272342), (686, 203264), (784, 177856), (794, 175616), (896, 155624), (1024, 136171), (1372, 101632), (1568, 88928), (1588, 87808), (1792, 77812), (2744, 50816), (2779, 50176), (3136, 44464), (3176, 43904), (3584, 38906), (5488, 25408), (5558, 25088), (6272, 22232), (6352, 21952), (7168, 19453), (10976, 12704), (11116, 12544)]