198257152

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{12491}}^1$

素因数の和:12540

約数の個数: 40

約数和(自身を含む): 408938112

約数和(自身を除く): 210680960

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 12491, 15872, 24982, 49964, 99928, 199856, 387221, 399712, 774442, 799424, 1548884, 1598848, 3097768, 3197696, 6195536, 6395392, 12391072, 24782144, 49564288, 99128576, 198257152]

約数ペア:

[(1, 198257152), (2, 99128576), (4, 49564288), (8, 24782144), (16, 12391072), (31, 6395392), (32, 6195536), (62, 3197696), (64, 3097768), (124, 1598848), (128, 1548884), (248, 799424), (256, 774442), (496, 399712), (512, 387221), (992, 199856), (1984, 99928), (3968, 49964), (7936, 24982), (12491, 15872)]