28806512

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 67704000

約数和(自身を除く): 38897488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 181, 196, 203, 232, 343, 362, 392, 406, 464, 686, 724, 784, 812, 1267, 1372, 1421, 1448, 1624, 2534, 2744, 2842, 2896, 3248, 5068, 5249, 5488, 5684, 8869, 9947, 10136, 10498, 11368, 17738, 19894, 20272, 20996, 22736, 35476, 36743, 39788, 41992, 62083, 70952, 73486, 79576, 83984, 124166, 141904, 146972, 159152, 248332, 257201, 293944, 496664, 514402, 587888, 993328, 1028804, 1800407, 2057608, 3600814, 4115216, 7201628, 14403256, 28806512]

約数ペア:

[(1, 28806512), (2, 14403256), (4, 7201628), (7, 4115216), (8, 3600814), (14, 2057608), (16, 1800407), (28, 1028804), (29, 993328), (49, 587888), (56, 514402), (58, 496664), (98, 293944), (112, 257201), (116, 248332), (181, 159152), (196, 146972), (203, 141904), (232, 124166), (343, 83984), (362, 79576), (392, 73486), (406, 70952), (464, 62083), (686, 41992), (724, 39788), (784, 36743), (812, 35476), (1267, 22736), (1372, 20996), (1421, 20272), (1448, 19894), (1624, 17738), (2534, 11368), (2744, 10498), (2842, 10136), (2896, 9947), (3248, 8869), (5068, 5684), (5249, 5488)]