398879232

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{8377}}^1$

素因数の和:8429

約数の個数: 80

約数和(自身を含む): 1097048832

約数和(自身を除く): 698169600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 744, 768, 992, 1488, 1536, 1984, 2976, 3968, 5952, 7936, 8377, 11904, 15872, 16754, 23808, 25131, 33508, 47616, 50262, 67016, 100524, 134032, 201048, 259687, 268064, 402096, 519374, 536128, 779061, 804192, 1038748, 1072256, 1558122, 1608384, 2077496, 2144512, 3116244, 3216768, 4154992, 4289024, 6232488, 6433536, 8309984, 12464976, 12867072, 16619968, 24929952, 33239936, 49859904, 66479872, 99719808, 132959744, 199439616, 398879232]

約数ペア:

[(1, 398879232), (2, 199439616), (3, 132959744), (4, 99719808), (6, 66479872), (8, 49859904), (12, 33239936), (16, 24929952), (24, 16619968), (31, 12867072), (32, 12464976), (48, 8309984), (62, 6433536), (64, 6232488), (93, 4289024), (96, 4154992), (124, 3216768), (128, 3116244), (186, 2144512), (192, 2077496), (248, 1608384), (256, 1558122), (372, 1072256), (384, 1038748), (496, 804192), (512, 779061), (744, 536128), (768, 519374), (992, 402096), (1488, 268064), (1536, 259687), (1984, 201048), (2976, 134032), (3968, 100524), (5952, 67016), (7936, 50262), (8377, 47616), (11904, 33508), (15872, 25131), (16754, 23808)]