206816128

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{52121}}^1$

素因数の和:52166

約数の個数: 32

約数和(自身を含む): 425315520

約数和(自身を除く): 218499392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 52121, 104242, 208484, 416968, 833936, 1615751, 1667872, 3231502, 3335744, 6463004, 6671488, 12926008, 25852016, 51704032, 103408064, 206816128]

約数ペア:

[(1, 206816128), (2, 103408064), (4, 51704032), (8, 25852016), (16, 12926008), (31, 6671488), (32, 6463004), (62, 3335744), (64, 3231502), (124, 1667872), (128, 1615751), (248, 833936), (496, 416968), (992, 208484), (1984, 104242), (3968, 52121)]