199710928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3115

約数の個数: 40

約数和(自身を含む): 402474240

約数和(自身を除く): 202763312

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 274, 496, 548, 1096, 2192, 2939, 4247, 5878, 8494, 11756, 16988, 23512, 33976, 47024, 67952, 91109, 182218, 364436, 402643, 728872, 805286, 1457744, 1610572, 3221144, 6442288, 12481933, 24963866, 49927732, 99855464, 199710928]

約数ペア:

[(1, 199710928), (2, 99855464), (4, 49927732), (8, 24963866), (16, 12481933), (31, 6442288), (62, 3221144), (124, 1610572), (137, 1457744), (248, 805286), (274, 728872), (496, 402643), (548, 364436), (1096, 182218), (2192, 91109), (2939, 67952), (4247, 47024), (5878, 33976), (8494, 23512), (11756, 16988)]