205851904

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{25939}}^1$

素因数の和:25986

約数の個数: 36

約数和(自身を含む): 424170880

約数和(自身を除く): 218318976

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 25939, 51878, 103756, 207512, 415024, 804109, 830048, 1608218, 1660096, 3216436, 3320192, 6432872, 6640384, 12865744, 25731488, 51462976, 102925952, 205851904]

約数ペア:

[(1, 205851904), (2, 102925952), (4, 51462976), (8, 25731488), (16, 12865744), (31, 6640384), (32, 6432872), (62, 3320192), (64, 3216436), (124, 1660096), (128, 1608218), (248, 830048), (256, 804109), (496, 415024), (992, 207512), (1984, 103756), (3968, 51878), (7936, 25939)]